861262415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1\times {\mathrm{1669}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 1181718720

約数和(自身を除く): 320456305

約数列:

[1, 5, 13, 17, 65, 85, 221, 467, 1105, 1669, 2335, 6071, 7939, 8345, 21697, 28373, 30355, 39695, 103207, 108485, 141865, 368849, 516035, 779423, 1844245, 3897115, 10132499, 13250191, 50662495, 66250955, 172252483, 861262415]

約数ペア:

[(1, 861262415), (5, 172252483), (13, 66250955), (17, 50662495), (65, 13250191), (85, 10132499), (221, 3897115), (467, 1844245), (1105, 779423), (1669, 516035), (2335, 368849), (6071, 141865), (7939, 108485), (8345, 103207), (21697, 39695), (28373, 30355)]