28571032

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 64468800

約数和(自身を除く): 35897768

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 73, 116, 146, 203, 232, 241, 292, 406, 482, 511, 584, 812, 964, 1022, 1624, 1687, 1928, 2044, 2117, 3374, 4088, 4234, 6748, 6989, 8468, 13496, 13978, 14819, 16936, 17593, 27956, 29638, 35186, 48923, 55912, 59276, 70372, 97846, 118552, 123151, 140744, 195692, 246302, 391384, 492604, 510197, 985208, 1020394, 2040788, 3571379, 4081576, 7142758, 14285516, 28571032]

約数ペア:

[(1, 28571032), (2, 14285516), (4, 7142758), (7, 4081576), (8, 3571379), (14, 2040788), (28, 1020394), (29, 985208), (56, 510197), (58, 492604), (73, 391384), (116, 246302), (146, 195692), (203, 140744), (232, 123151), (241, 118552), (292, 97846), (406, 70372), (482, 59276), (511, 55912), (584, 48923), (812, 35186), (964, 29638), (1022, 27956), (1624, 17593), (1687, 16936), (1928, 14819), (2044, 13978), (2117, 13496), (3374, 8468), (4088, 6989), (4234, 6748)]