312209015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2\times {\mathrm{1229}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 399759840

約数和(自身を除く): 87550825

約数列:

[1, 5, 23, 47, 115, 235, 1081, 1229, 2209, 5405, 6145, 11045, 28267, 50807, 57763, 141335, 254035, 288815, 1328549, 2714861, 6642745, 13574305, 62441803, 312209015]

約数ペア:

[(1, 312209015), (5, 62441803), (23, 13574305), (47, 6642745), (115, 2714861), (235, 1328549), (1081, 288815), (1229, 254035), (2209, 141335), (5405, 57763), (6145, 50807), (11045, 28267)]