78542116

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{1249}}^1$

素因数の和:1531

約数の個数: 24

約数和(自身を含む): 140000000

約数和(自身を除く): 61457884

約数列:

[1, 2, 4, 79, 158, 199, 316, 398, 796, 1249, 2498, 4996, 15721, 31442, 62884, 98671, 197342, 248551, 394684, 497102, 994204, 19635529, 39271058, 78542116]

約数ペア:

[(1, 78542116), (2, 39271058), (4, 19635529), (79, 994204), (158, 497102), (199, 394684), (316, 248551), (398, 197342), (796, 98671), (1249, 62884), (2498, 31442), (4996, 15721)]