81270866

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 131751360

約数和(自身を除く): 50480494

約数列:

[1, 2, 19, 38, 67, 134, 137, 233, 274, 466, 1273, 2546, 2603, 4427, 5206, 8854, 9179, 15611, 18358, 31222, 31921, 63842, 174401, 296609, 348802, 593218, 606499, 1212998, 2138707, 4277414, 40635433, 81270866]

約数ペア:

[(1, 81270866), (2, 40635433), (19, 4277414), (38, 2138707), (67, 1212998), (134, 606499), (137, 593218), (233, 348802), (274, 296609), (466, 174401), (1273, 63842), (2546, 31921), (2603, 31222), (4427, 18358), (5206, 15611), (8854, 9179)]