664545104

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{248707}}^1$

素因数の和:248882

約数の個数: 20

約数和(自身を含む): 1295271264

約数和(自身を除く): 630726160

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 248707, 497414, 994828, 1989656, 3979312, 41534069, 83068138, 166136276, 332272552, 664545104]

約数ペア:

[(1, 664545104), (2, 332272552), (4, 166136276), (8, 83068138), (16, 41534069), (167, 3979312), (334, 1989656), (668, 994828), (1336, 497414), (2672, 248707)]