280866556

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{21323}}^1$

素因数の和:21453

約数の個数: 24

約数和(自身を含む): 510496560

約数和(自身を除く): 229630004

約数列:

[1, 2, 4, 37, 74, 89, 148, 178, 356, 3293, 6586, 13172, 21323, 42646, 85292, 788951, 1577902, 1897747, 3155804, 3795494, 7590988, 70216639, 140433278, 280866556]

約数ペア:

[(1, 280866556), (2, 140433278), (4, 70216639), (37, 7590988), (74, 3795494), (89, 3155804), (148, 1897747), (178, 1577902), (356, 788951), (3293, 85292), (6586, 42646), (13172, 21323)]