638533428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4093163}}^1$

素因数の和:4093183

約数の個数: 24

約数和(自身を含む): 1604520288

約数和(自身を除く): 965986860

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 4093163, 8186326, 12279489, 16372652, 24558978, 49117956, 53211119, 106422238, 159633357, 212844476, 319266714, 638533428]

約数ペア:

[(1, 638533428), (2, 319266714), (3, 212844476), (4, 159633357), (6, 106422238), (12, 53211119), (13, 49117956), (26, 24558978), (39, 16372652), (52, 12279489), (78, 8186326), (156, 4093163)]