2161573456

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:254

約数の個数: 180

約数和(自身を含む): 5334078240

約数和(自身を除く): 3172504784

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 49, 56, 62, 76, 98, 112, 124, 133, 151, 152, 196, 217, 248, 266, 302, 304, 392, 434, 496, 532, 589, 604, 784, 868, 931, 961, 1057, 1064, 1178, 1208, 1519, 1736, 1862, 1922, 2114, 2128, 2356, 2416, 2869, 3038, 3472, 3724, 3844, 4123, 4228, 4681, 4712, 5738, 6076, 6727, 7399, 7448, 7688, 8246, 8456, 9362, 9424, 11476, 12152, 13454, 14798, 14896, 15376, 16492, 16912, 18259, 18724, 20083, 22952, 24304, 26908, 28861, 29596, 32767, 32984, 36518, 37448, 40166, 45904, 47089, 53816, 57722, 59192, 65534, 65968, 73036, 74896, 80332, 88939, 94178, 107632, 115444, 118384, 127813, 131068, 140581, 145111, 146072, 160664, 177878, 188356, 229369, 230888, 255626, 262136, 281162, 290222, 292144, 321328, 355756, 376712, 458738, 461776, 511252, 524272, 562324, 580444, 622573, 711512, 753424, 894691, 917476, 1015777, 1022504, 1124648, 1160888, 1245146, 1423024, 1789382, 1834952, 2031554, 2045008, 2249296, 2321776, 2490292, 2757109, 3578764, 3669904, 4063108, 4358011, 4980584, 5514218, 7110439, 7157528, 8126216, 8716022, 9961168, 11028436, 14220878, 14315056, 16252432, 17432044, 19299763, 22056872, 28441756, 34864088, 38599526, 44113744, 56883512, 69728176, 77199052, 113767024, 135098341, 154398104, 270196682, 308796208, 540393364, 1080786728, 2161573456]

約数ペア:

[(1, 2161573456), (2, 1080786728), (4, 540393364), (7, 308796208), (8, 270196682), (14, 154398104), (16, 135098341), (19, 113767024), (28, 77199052), (31, 69728176), (38, 56883512), (49, 44113744), (56, 38599526), (62, 34864088), (76, 28441756), (98, 22056872), (112, 19299763), (124, 17432044), (133, 16252432), (151, 14315056), (152, 14220878), (196, 11028436), (217, 9961168), (248, 8716022), (266, 8126216), (302, 7157528), (304, 7110439), (392, 5514218), (434, 4980584), (496, 4358011), (532, 4063108), (589, 3669904), (604, 3578764), (784, 2757109), (868, 2490292), (931, 2321776), (961, 2249296), (1057, 2045008), (1064, 2031554), (1178, 1834952), (1208, 1789382), (1519, 1423024), (1736, 1245146), (1862, 1160888), (1922, 1124648), (2114, 1022504), (2128, 1015777), (2356, 917476), (2416, 894691), (2869, 753424), (3038, 711512), (3472, 622573), (3724, 580444), (3844, 562324), (4123, 524272), (4228, 511252), (4681, 461776), (4712, 458738), (5738, 376712), (6076, 355756), (6727, 321328), (7399, 292144), (7448, 290222), (7688, 281162), (8246, 262136), (8456, 255626), (9362, 230888), (9424, 229369), (11476, 188356), (12152, 177878), (13454, 160664), (14798, 146072), (14896, 145111), (15376, 140581), (16492, 131068), (16912, 127813), (18259, 118384), (18724, 115444), (20083, 107632), (22952, 94178), (24304, 88939), (26908, 80332), (28861, 74896), (29596, 73036), (32767, 65968), (32984, 65534), (36518, 59192), (37448, 57722), (40166, 53816), (45904, 47089)]