72473890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{4139}}^1$

素因数の和:4266

約数の個数: 32

約数和(自身を含む): 139501440

約数和(自身を除く): 67027550

約数列:

[1, 2, 5, 10, 17, 34, 85, 103, 170, 206, 515, 1030, 1751, 3502, 4139, 8278, 8755, 17510, 20695, 41390, 70363, 140726, 351815, 426317, 703630, 852634, 2131585, 4263170, 7247389, 14494778, 36236945, 72473890]

約数ペア:

[(1, 72473890), (2, 36236945), (5, 14494778), (10, 7247389), (17, 4263170), (34, 2131585), (85, 852634), (103, 703630), (170, 426317), (206, 351815), (515, 140726), (1030, 70363), (1751, 41390), (3502, 20695), (4139, 17510), (8278, 8755)]