65394290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21871}}^1$

素因数の和:21914

約数の個数: 32

約数和(自身を含む): 132281856

約数和(自身を除く): 66887566

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 21871, 43742, 109355, 218710, 284323, 503033, 568646, 1006066, 1421615, 2515165, 2843230, 5030330, 6539429, 13078858, 32697145, 65394290]

約数ペア:

[(1, 65394290), (2, 32697145), (5, 13078858), (10, 6539429), (13, 5030330), (23, 2843230), (26, 2515165), (46, 1421615), (65, 1006066), (115, 568646), (130, 503033), (230, 284323), (299, 218710), (598, 109355), (1495, 43742), (2990, 21871)]