521237964

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{3341269}}^1$

素因数の和:3341289

約数の個数: 24

約数和(自身を含む): 1309777840

約数和(自身を除く): 788539876

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 3341269, 6682538, 10023807, 13365076, 20047614, 40095228, 43436497, 86872994, 130309491, 173745988, 260618982, 521237964]

約数ペア:

[(1, 521237964), (2, 260618982), (3, 173745988), (4, 130309491), (6, 86872994), (12, 43436497), (13, 40095228), (26, 20047614), (39, 13365076), (52, 10023807), (78, 6682538), (156, 3341269)]