155717639

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1151}}^1$

素因数の和:1427

約数の個数: 24

約数和(自身を含む): 198567936

約数和(自身を除く): 42850297

約数列:

[1, 7, 11, 49, 77, 251, 539, 1151, 1757, 2761, 8057, 12299, 12661, 19327, 56399, 88627, 135289, 288901, 620389, 2022307, 3177911, 14156149, 22245377, 155717639]

約数ペア:

[(1, 155717639), (7, 22245377), (11, 14156149), (49, 3177911), (77, 2022307), (251, 620389), (539, 288901), (1151, 135289), (1757, 88627), (2761, 56399), (8057, 19327), (12299, 12661)]