39221975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 57496320

約数和(自身を除く): 18274345

約数列:

[1, 5, 13, 17, 25, 31, 65, 85, 155, 221, 229, 325, 403, 425, 527, 775, 1105, 1145, 2015, 2635, 2977, 3893, 5525, 5725, 6851, 7099, 10075, 13175, 14885, 19465, 34255, 35495, 50609, 74425, 92287, 97325, 120683, 171275, 177475, 253045, 461435, 603415, 1265225, 1568879, 2307175, 3017075, 7844395, 39221975]

約数ペア:

[(1, 39221975), (5, 7844395), (13, 3017075), (17, 2307175), (25, 1568879), (31, 1265225), (65, 603415), (85, 461435), (155, 253045), (221, 177475), (229, 171275), (325, 120683), (403, 97325), (425, 92287), (527, 74425), (775, 50609), (1105, 35495), (1145, 34255), (2015, 19465), (2635, 14885), (2977, 13175), (3893, 10075), (5525, 7099), (5725, 6851)]