90838670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3547}}^1$

素因数の和:3764

約数の個数: 32

約数和(自身を含む): 177031008

約数和(自身を除く): 86192338

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1970, 2561, 3547, 5122, 7094, 12805, 17735, 25610, 35470, 46111, 92222, 230555, 461110, 698759, 1397518, 3493795, 6987590, 9083867, 18167734, 45419335, 90838670]

約数ペア:

[(1, 90838670), (2, 45419335), (5, 18167734), (10, 9083867), (13, 6987590), (26, 3493795), (65, 1397518), (130, 698759), (197, 461110), (394, 230555), (985, 92222), (1970, 46111), (2561, 35470), (3547, 25610), (5122, 17735), (7094, 12805)]