868331390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:633

約数の個数: 64

約数和(自身を含む): 1658216448

約数和(自身を除く): 789885058

約数列:

[1, 2, 5, 10, 31, 62, 67, 97, 134, 155, 194, 310, 335, 431, 485, 670, 862, 970, 2077, 2155, 3007, 4154, 4310, 6014, 6499, 10385, 12998, 13361, 15035, 20770, 26722, 28877, 30070, 32495, 41807, 57754, 64990, 66805, 83614, 133610, 144385, 201469, 209035, 288770, 402938, 418070, 895187, 1007345, 1296017, 1790374, 2014690, 2592034, 2801069, 4475935, 5602138, 6480085, 8951870, 12960170, 14005345, 28010690, 86833139, 173666278, 434165695, 868331390]

約数ペア:

[(1, 868331390), (2, 434165695), (5, 173666278), (10, 86833139), (31, 28010690), (62, 14005345), (67, 12960170), (97, 8951870), (134, 6480085), (155, 5602138), (194, 4475935), (310, 2801069), (335, 2592034), (431, 2014690), (485, 1790374), (670, 1296017), (862, 1007345), (970, 895187), (2077, 418070), (2155, 402938), (3007, 288770), (4154, 209035), (4310, 201469), (6014, 144385), (6499, 133610), (10385, 83614), (12998, 66805), (13361, 64990), (15035, 57754), (20770, 41807), (26722, 32495), (28877, 30070)]