78561505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1151}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 110481408

約数和(自身を除く): 31919903

約数列:

[1, 5, 11, 17, 55, 73, 85, 187, 365, 803, 935, 1151, 1241, 4015, 5755, 6205, 12661, 13651, 19567, 63305, 68255, 84023, 97835, 215237, 420115, 924253, 1076185, 1428391, 4621265, 7141955, 15712301, 78561505]

約数ペア:

[(1, 78561505), (5, 15712301), (11, 7141955), (17, 4621265), (55, 1428391), (73, 1076185), (85, 924253), (187, 420115), (365, 215237), (803, 97835), (935, 84023), (1151, 68255), (1241, 63305), (4015, 19567), (5755, 13651), (6205, 12661)]