315067804

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{218191}}^1$

素因数の和:218233

約数の個数: 18

約数和(自身を含む): 581918064

約数和(自身を除く): 266850260

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 218191, 436382, 872764, 4145629, 8291258, 16582516, 78766951, 157533902, 315067804]

約数ペア:

[(1, 315067804), (2, 157533902), (4, 78766951), (19, 16582516), (38, 8291258), (76, 4145629), (361, 872764), (722, 436382), (1444, 218191)]