1640288

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{3943}}^1$

素因数の和:3966

約数の個数: 24

約数和(自身を含む): 3478608

約数和(自身を除く): 1838320

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 3943, 7886, 15772, 31544, 51259, 63088, 102518, 126176, 205036, 410072, 820144, 1640288]

約数ペア:

[(1, 1640288), (2, 820144), (4, 410072), (8, 205036), (13, 126176), (16, 102518), (26, 63088), (32, 51259), (52, 31544), (104, 15772), (208, 7886), (416, 3943)]