315207815

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 446666400

約数和(自身を除く): 131458585

約数列:

[1, 5, 13, 19, 29, 65, 95, 145, 169, 247, 377, 551, 677, 845, 1235, 1885, 2755, 3211, 3385, 4901, 7163, 8801, 12863, 16055, 19633, 24505, 35815, 44005, 64315, 93119, 98165, 114413, 167219, 255229, 373027, 465595, 572065, 836095, 1276145, 1865135, 2173847, 3317977, 4849351, 10869235, 16589885, 24246755, 63041563, 315207815]

約数ペア:

[(1, 315207815), (5, 63041563), (13, 24246755), (19, 16589885), (29, 10869235), (65, 4849351), (95, 3317977), (145, 2173847), (169, 1865135), (247, 1276145), (377, 836095), (551, 572065), (677, 465595), (845, 373027), (1235, 255229), (1885, 167219), (2755, 114413), (3211, 98165), (3385, 93119), (4901, 64315), (7163, 44005), (8801, 35815), (12863, 24505), (16055, 19633)]