398844

素因数分解:

$2^2\times 3^4\times {\mathrm{1231}}^1$

素因数の和:1247

約数の個数: 30

約数和(自身を含む): 1043504

約数和(自身を除く): 644660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 1231, 2462, 3693, 4924, 7386, 11079, 14772, 22158, 33237, 44316, 66474, 99711, 132948, 199422, 398844]

約数ペア:

[(1, 398844), (2, 199422), (3, 132948), (4, 99711), (6, 66474), (9, 44316), (12, 33237), (18, 22158), (27, 14772), (36, 11079), (54, 7386), (81, 4924), (108, 3693), (162, 2462), (324, 1231)]