660868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 1270080

約数和(自身を除く): 609212

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 179, 284, 358, 716, 923, 1846, 2327, 3692, 4654, 9308, 12709, 25418, 50836, 165217, 330434, 660868]

約数ペア:

[(1, 660868), (2, 330434), (4, 165217), (13, 50836), (26, 25418), (52, 12709), (71, 9308), (142, 4654), (179, 3692), (284, 2327), (358, 1846), (716, 923)]