156931212425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1\times {\mathrm{11279}}^1$

素因数の和:12714

約数の個数: 48

約数和(自身を含む): 216499476480

約数和(自身を除く): 59568264055

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 1381, 2015, 6905, 10075, 11279, 17953, 34525, 42811, 56395, 89765, 146627, 214055, 281975, 349649, 448825, 556543, 733135, 1070275, 1748245, 2782715, 3665675, 4545437, 8741225, 13913575, 15576299, 22727185, 77881495, 113635925, 202491887, 389407475, 482865269, 1012459435, 2414326345, 5062297175, 6277248497, 12071631725, 31386242485, 156931212425]

約数ペア:

[(1, 156931212425), (5, 31386242485), (13, 12071631725), (25, 6277248497), (31, 5062297175), (65, 2414326345), (155, 1012459435), (325, 482865269), (403, 389407475), (775, 202491887), (1381, 113635925), (2015, 77881495), (6905, 22727185), (10075, 15576299), (11279, 13913575), (17953, 8741225), (34525, 4545437), (42811, 3665675), (56395, 2782715), (89765, 1748245), (146627, 1070275), (214055, 733135), (281975, 556543), (349649, 448825)]