31560925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 46550592

約数和(自身を除く): 14989667

約数列:

[1, 5, 11, 17, 25, 43, 55, 85, 157, 187, 215, 275, 425, 473, 731, 785, 935, 1075, 1727, 2365, 2669, 3655, 3925, 4675, 6751, 8041, 8635, 11825, 13345, 18275, 29359, 33755, 40205, 43175, 66725, 74261, 114767, 146795, 168775, 201025, 371305, 573835, 733975, 1262437, 1856525, 2869175, 6312185, 31560925]

約数ペア:

[(1, 31560925), (5, 6312185), (11, 2869175), (17, 1856525), (25, 1262437), (43, 733975), (55, 573835), (85, 371305), (157, 201025), (187, 168775), (215, 146795), (275, 114767), (425, 74261), (473, 66725), (731, 43175), (785, 40205), (935, 33755), (1075, 29359), (1727, 18275), (2365, 13345), (2669, 11825), (3655, 8635), (3925, 8041), (4675, 6751)]