72157328

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{18713}}^1$

素因数の和:18962

約数の個数: 20

約数和(自身を含む): 140392428

約数和(自身を除く): 68235100

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 18713, 37426, 74852, 149704, 299408, 4509833, 9019666, 18039332, 36078664, 72157328]

約数ペア:

[(1, 72157328), (2, 36078664), (4, 18039332), (8, 9019666), (16, 4509833), (241, 299408), (482, 149704), (964, 74852), (1928, 37426), (3856, 18713)]