247168945

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 313632000

約数和(自身を除く): 66463055

約数列:

[1, 5, 43, 53, 109, 199, 215, 265, 545, 995, 2279, 4687, 5777, 8557, 10547, 11395, 21691, 23435, 28885, 42785, 52735, 108455, 248411, 453521, 932713, 1149623, 1242055, 2267605, 4663565, 5748115, 49433789, 247168945]

約数ペア:

[(1, 247168945), (5, 49433789), (43, 5748115), (53, 4663565), (109, 2267605), (199, 1242055), (215, 1149623), (265, 932713), (545, 453521), (995, 248411), (2279, 108455), (4687, 52735), (5777, 42785), (8557, 28885), (10547, 23435), (11395, 21691)]