400239954

素因数分解:

$2^1\times 3^6\times {\mathrm{223}}^1\times {\mathrm{1231}}^1$

素因数の和:1474

約数の個数: 56

約数和(自身を含む): 904899072

約数和(自身を除く): 504659118

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 223, 243, 446, 486, 669, 729, 1231, 1338, 1458, 2007, 2462, 3693, 4014, 6021, 7386, 11079, 12042, 18063, 22158, 33237, 36126, 54189, 66474, 99711, 108378, 162567, 199422, 274513, 299133, 325134, 549026, 598266, 823539, 897399, 1647078, 1794798, 2470617, 4941234, 7411851, 14823702, 22235553, 44471106, 66706659, 133413318, 200119977, 400239954]

約数ペア:

[(1, 400239954), (2, 200119977), (3, 133413318), (6, 66706659), (9, 44471106), (18, 22235553), (27, 14823702), (54, 7411851), (81, 4941234), (162, 2470617), (223, 1794798), (243, 1647078), (446, 897399), (486, 823539), (669, 598266), (729, 549026), (1231, 325134), (1338, 299133), (1458, 274513), (2007, 199422), (2462, 162567), (3693, 108378), (4014, 99711), (6021, 66474), (7386, 54189), (11079, 36126), (12042, 33237), (18063, 22158)]