71651641

素因数分解:

${\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 79881984

約数和(自身を除く): 8230343

約数列:

[1, 19, 41, 47, 103, 361, 779, 893, 1927, 1957, 4223, 4841, 14801, 16967, 36613, 37183, 80237, 91979, 198481, 695647, 1524503, 1747601, 3771139, 71651641]

約数ペア:

[(1, 71651641), (19, 3771139), (41, 1747601), (47, 1524503), (103, 695647), (361, 198481), (779, 91979), (893, 80237), (1927, 37183), (1957, 36613), (4223, 16967), (4841, 14801)]