72156978

素因数分解:

$2^1\times 3^2\times {\mathrm{251}}^1\times {\mathrm{15971}}^1$

素因数の和:16230

約数の個数: 24

約数和(自身を含む): 156972816

約数和(自身を除く): 84815838

約数列:

[1, 2, 3, 6, 9, 18, 251, 502, 753, 1506, 2259, 4518, 15971, 31942, 47913, 95826, 143739, 287478, 4008721, 8017442, 12026163, 24052326, 36078489, 72156978]

約数ペア:

[(1, 72156978), (2, 36078489), (3, 24052326), (6, 12026163), (9, 8017442), (18, 4008721), (251, 287478), (502, 143739), (753, 95826), (1506, 47913), (2259, 31942), (4518, 15971)]