65425490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{821}}^1$

素因数の和:1454

約数の個数: 32

約数和(自身を含む): 127186416

約数和(自身を除く): 61760926

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 613, 821, 1226, 1642, 3065, 4105, 6130, 7969, 8210, 10673, 15938, 21346, 39845, 53365, 79690, 106730, 503273, 1006546, 2516365, 5032730, 6542549, 13085098, 32712745, 65425490]

約数ペア:

[(1, 65425490), (2, 32712745), (5, 13085098), (10, 6542549), (13, 5032730), (26, 2516365), (65, 1006546), (130, 503273), (613, 106730), (821, 79690), (1226, 53365), (1642, 39845), (3065, 21346), (4105, 15938), (6130, 10673), (7969, 8210)]