17651285

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 23760000

約数和(自身を除く): 6108715

約数列:

[1, 5, 19, 29, 43, 95, 145, 149, 215, 551, 745, 817, 1247, 2755, 2831, 4085, 4321, 6235, 6407, 14155, 21605, 23693, 32035, 82099, 118465, 121733, 185803, 410495, 608665, 929015, 3530257, 17651285]

約数ペア:

[(1, 17651285), (5, 3530257), (19, 929015), (29, 608665), (43, 410495), (95, 185803), (145, 121733), (149, 118465), (215, 82099), (551, 32035), (745, 23693), (817, 21605), (1247, 14155), (2755, 6407), (2831, 6235), (4085, 4321)]