3949010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 7871472

約数和(自身を除く): 3922462

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 821, 962, 1642, 2405, 4105, 4810, 8210, 10673, 21346, 30377, 53365, 60754, 106730, 151885, 303770, 394901, 789802, 1974505, 3949010]

約数ペア:

[(1, 3949010), (2, 1974505), (5, 789802), (10, 394901), (13, 303770), (26, 151885), (37, 106730), (65, 60754), (74, 53365), (130, 30377), (185, 21346), (370, 10673), (481, 8210), (821, 4810), (962, 4105), (1642, 2405)]