390833326

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1236

約数の個数: 32

約数和(自身を含む): 642243168

約数和(自身を除く): 251409842

約数列:

[1, 2, 13, 26, 113, 137, 226, 274, 971, 1469, 1781, 1942, 2938, 3562, 12623, 15481, 25246, 30962, 109723, 133027, 201253, 219446, 266054, 402506, 1426399, 1729351, 2852798, 3458702, 15032051, 30064102, 195416663, 390833326]

約数ペア:

[(1, 390833326), (2, 195416663), (13, 30064102), (26, 15032051), (113, 3458702), (137, 2852798), (226, 1729351), (274, 1426399), (971, 402506), (1469, 266054), (1781, 219446), (1942, 201253), (2938, 133027), (3562, 109723), (12623, 30962), (15481, 25246)]