2856156905

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{21767}}^1$

素因数の和:21965

約数の個数: 32

約数和(自身を含む): 4112584704

約数和(自身を除く): 1256427799

約数列:

[1, 5, 7, 23, 35, 115, 161, 163, 805, 815, 1141, 3749, 5705, 18745, 21767, 26243, 108835, 131215, 152369, 500641, 761845, 2503205, 3504487, 3548021, 17522435, 17740105, 24836147, 81604483, 124180735, 408022415, 571231381, 2856156905]

約数ペア:

[(1, 2856156905), (5, 571231381), (7, 408022415), (23, 124180735), (35, 81604483), (115, 24836147), (161, 17740105), (163, 17522435), (805, 3548021), (815, 3504487), (1141, 2503205), (3749, 761845), (5705, 500641), (18745, 152369), (21767, 131215), (26243, 108835)]