217012015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9029}}^1$

素因数の和:9087

約数の個数: 32

約数和(自身を含む): 312076800

約数和(自身を除く): 95064785

約数列:

[1, 5, 11, 19, 23, 55, 95, 115, 209, 253, 437, 1045, 1265, 2185, 4807, 9029, 24035, 45145, 99319, 171551, 207667, 496595, 857755, 1038335, 1887061, 2284337, 3945673, 9435305, 11421685, 19728365, 43402403, 217012015]

約数ペア:

[(1, 217012015), (5, 43402403), (11, 19728365), (19, 11421685), (23, 9435305), (55, 3945673), (95, 2284337), (115, 1887061), (209, 1038335), (253, 857755), (437, 496595), (1045, 207667), (1265, 171551), (2185, 99319), (4807, 45145), (9029, 24035)]