313287.0000000

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{331}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 10625328

約数和(自身を除く): 2858413

約数列:

[1, 5, 13, 19, 65, 95, 247, 331, 361, 1235, 1655, 1805, 4303, 4693, 6289, 21515, 23465, 31445, 81757, 119491, 408785, 597455, 1553383, 7766915]

約数ペア:

[(1, 7766915), (5, 1553383), (13, 597455), (19, 408785), (65, 119491), (95, 81757), (247, 31445), (331, 23465), (361, 21515), (1235, 6289), (1655, 4693), (1805, 4303)]