157031465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1709}}^1$

素因数の和:1801

約数の個数: 32

約数和(自身を含む): 212751360

約数和(自身を除く): 55719895

約数列:

[1, 5, 17, 23, 47, 85, 115, 235, 391, 799, 1081, 1709, 1955, 3995, 5405, 8545, 18377, 29053, 39307, 80323, 91885, 145265, 196535, 401615, 668219, 1365491, 1847429, 3341095, 6827455, 9237145, 31406293, 157031465]

約数ペア:

[(1, 157031465), (5, 31406293), (17, 9237145), (23, 6827455), (47, 3341095), (85, 1847429), (115, 1365491), (235, 668219), (391, 401615), (799, 196535), (1081, 145265), (1709, 91885), (1955, 80323), (3995, 39307), (5405, 29053), (8545, 18377)]