398931056

素因数分解:

$2^4\times {\mathrm{1669}}^1\times {\mathrm{14939}}^1$

素因数の和:16616

約数の個数: 20

約数和(自身を含む): 773443800

約数和(自身を除く): 374512744

約数列:

[1, 2, 4, 8, 16, 1669, 3338, 6676, 13352, 14939, 26704, 29878, 59756, 119512, 239024, 24933191, 49866382, 99732764, 199465528, 398931056]

約数ペア:

[(1, 398931056), (2, 199465528), (4, 99732764), (8, 49866382), (16, 24933191), (1669, 239024), (3338, 119512), (6676, 59756), (13352, 29878), (14939, 26704)]