215971288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{90289}}^1$

素因数の和:90331

約数の個数: 32

約数和(自身を含む): 455061600

約数和(自身を除く): 239090312

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 90289, 180578, 361156, 722312, 1173757, 2076647, 2347514, 4153294, 4695028, 8306588, 9390056, 16613176, 26996411, 53992822, 107985644, 215971288]

約数ペア:

[(1, 215971288), (2, 107985644), (4, 53992822), (8, 26996411), (13, 16613176), (23, 9390056), (26, 8306588), (46, 4695028), (52, 4153294), (92, 2347514), (104, 2076647), (184, 1173757), (299, 722312), (598, 361156), (1196, 180578), (2392, 90289)]