255000221

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{11839}}^1$

素因数の和:12044

約数の個数: 16

約数和(自身を含む): 310302720

約数和(自身を除く): 55302499

約数列:

[1, 7, 17, 119, 181, 1267, 3077, 11839, 21539, 82873, 201263, 1408841, 2142859, 15000013, 36428603, 255000221]

約数ペア:

[(1, 255000221), (7, 36428603), (17, 15000013), (119, 2142859), (181, 1408841), (1267, 201263), (3077, 82873), (11839, 21539)]