641924192

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:621

約数の個数: 144

約数和(自身を含む): 1617380352

約数和(自身を除く): 975456160

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 91, 104, 112, 124, 169, 182, 208, 217, 224, 248, 338, 364, 403, 416, 434, 496, 547, 676, 728, 806, 868, 992, 1094, 1183, 1352, 1456, 1612, 1736, 2188, 2366, 2704, 2821, 2912, 3224, 3472, 3829, 4376, 4732, 5239, 5408, 5642, 6448, 6944, 7111, 7658, 8752, 9464, 10478, 11284, 12896, 14222, 15316, 16957, 17504, 18928, 20956, 22568, 28444, 30632, 33914, 36673, 37856, 41912, 45136, 49777, 56888, 61264, 67828, 73346, 83824, 90272, 92443, 99554, 113776, 118699, 122528, 135656, 146692, 167648, 184886, 199108, 220441, 227552, 237398, 271312, 293384, 369772, 398216, 440882, 474796, 542624, 586768, 647101, 739544, 796432, 881764, 949592, 1173536, 1294202, 1479088, 1543087, 1592864, 1763528, 1899184, 2588404, 2865733, 2958176, 3086174, 3527056, 3798368, 5176808, 5731466, 6172348, 7054112, 10353616, 11462932, 12344696, 20060131, 20707232, 22925864, 24689392, 40120262, 45851728, 49378784, 80240524, 91703456, 160481048, 320962096, 641924192]

約数ペア:

[(1, 641924192), (2, 320962096), (4, 160481048), (7, 91703456), (8, 80240524), (13, 49378784), (14, 45851728), (16, 40120262), (26, 24689392), (28, 22925864), (31, 20707232), (32, 20060131), (52, 12344696), (56, 11462932), (62, 10353616), (91, 7054112), (104, 6172348), (112, 5731466), (124, 5176808), (169, 3798368), (182, 3527056), (208, 3086174), (217, 2958176), (224, 2865733), (248, 2588404), (338, 1899184), (364, 1763528), (403, 1592864), (416, 1543087), (434, 1479088), (496, 1294202), (547, 1173536), (676, 949592), (728, 881764), (806, 796432), (868, 739544), (992, 647101), (1094, 586768), (1183, 542624), (1352, 474796), (1456, 440882), (1612, 398216), (1736, 369772), (2188, 293384), (2366, 271312), (2704, 237398), (2821, 227552), (2912, 220441), (3224, 199108), (3472, 184886), (3829, 167648), (4376, 146692), (4732, 135656), (5239, 122528), (5408, 118699), (5642, 113776), (6448, 99554), (6944, 92443), (7111, 90272), (7658, 83824), (8752, 73346), (9464, 67828), (10478, 61264), (11284, 56888), (12896, 49777), (14222, 45136), (15316, 41912), (16957, 37856), (17504, 36673), (18928, 33914), (20956, 30632), (22568, 28444)]