643479408

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31249}}^1$

素因数の和:31287

約数の個数: 120

約数和(自身を含む): 2115750000

約数和(自身を除く): 1472270592

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 33, 36, 39, 44, 48, 52, 66, 72, 78, 88, 99, 104, 117, 132, 143, 144, 156, 176, 198, 208, 234, 264, 286, 312, 396, 429, 468, 528, 572, 624, 792, 858, 936, 1144, 1287, 1584, 1716, 1872, 2288, 2574, 3432, 5148, 6864, 10296, 20592, 31249, 62498, 93747, 124996, 187494, 249992, 281241, 343739, 374988, 406237, 499984, 562482, 687478, 749976, 812474, 1031217, 1124964, 1218711, 1374956, 1499952, 1624948, 2062434, 2249928, 2437422, 2749912, 3093651, 3249896, 3656133, 4124868, 4468607, 4499856, 4874844, 5499824, 6187302, 6499792, 7312266, 8249736, 8937214, 9749688, 12374604, 13405821, 14624532, 16499472, 17874428, 19499376, 24749208, 26811642, 29249064, 35748856, 40217463, 49498416, 53623284, 58498128, 71497712, 80434926, 107246568, 160869852, 214493136, 321739704, 643479408]

約数ペア:

[(1, 643479408), (2, 321739704), (3, 214493136), (4, 160869852), (6, 107246568), (8, 80434926), (9, 71497712), (11, 58498128), (12, 53623284), (13, 49498416), (16, 40217463), (18, 35748856), (22, 29249064), (24, 26811642), (26, 24749208), (33, 19499376), (36, 17874428), (39, 16499472), (44, 14624532), (48, 13405821), (52, 12374604), (66, 9749688), (72, 8937214), (78, 8249736), (88, 7312266), (99, 6499792), (104, 6187302), (117, 5499824), (132, 4874844), (143, 4499856), (144, 4468607), (156, 4124868), (176, 3656133), (198, 3249896), (208, 3093651), (234, 2749912), (264, 2437422), (286, 2249928), (312, 2062434), (396, 1624948), (429, 1499952), (468, 1374956), (528, 1218711), (572, 1124964), (624, 1031217), (792, 812474), (858, 749976), (936, 687478), (1144, 562482), (1287, 499984), (1584, 406237), (1716, 374988), (1872, 343739), (2288, 281241), (2574, 249992), (3432, 187494), (5148, 124996), (6864, 93747), (10296, 62498), (20592, 31249)]