282449180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1086343}}^1$

素因数の和:1086365

約数の個数: 24

約数和(自身を含む): 638770272

約数和(自身を除く): 356321092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1086343, 2172686, 4345372, 5431715, 10863430, 14122459, 21726860, 28244918, 56489836, 70612295, 141224590, 282449180]

約数ペア:

[(1, 282449180), (2, 141224590), (4, 70612295), (5, 56489836), (10, 28244918), (13, 21726860), (20, 14122459), (26, 10863430), (52, 5431715), (65, 4345372), (130, 2172686), (260, 1086343)]