1288304875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72073}}^1$

素因数の和:72112

約数の個数: 32

約数和(自身を含む): 1888915392

約数和(自身を除く): 600610517

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 715, 1375, 1625, 3575, 17875, 72073, 360365, 792803, 936949, 1801825, 3964015, 4684745, 9009125, 10306439, 19820075, 23423725, 51532195, 99100375, 117118625, 257660975, 1288304875]

約数ペア:

[(1, 1288304875), (5, 257660975), (11, 117118625), (13, 99100375), (25, 51532195), (55, 23423725), (65, 19820075), (125, 10306439), (143, 9009125), (275, 4684745), (325, 3964015), (715, 1801825), (1375, 936949), (1625, 792803), (3575, 360365), (17875, 72073)]