389405612

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{7949}}^1$

素因数の和:8321

約数の個数: 24

約数和(自身を含む): 702080400

約数和(自身を除く): 312674788

約数列:

[1, 2, 4, 37, 74, 148, 331, 662, 1324, 7949, 12247, 15898, 24494, 31796, 48988, 294113, 588226, 1176452, 2631119, 5262238, 10524476, 97351403, 194702806, 389405612]

約数ペア:

[(1, 389405612), (2, 194702806), (4, 97351403), (37, 10524476), (74, 5262238), (148, 2631119), (331, 1176452), (662, 588226), (1324, 294113), (7949, 48988), (12247, 31796), (15898, 24494)]