138173854

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{18517}}^1$

素因数の和:18580

約数の個数: 32

約数和(自身を含む): 261326016

約数和(自身を除く): 123152162

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 287, 533, 574, 1066, 3731, 7462, 18517, 37034, 129619, 240721, 259238, 481442, 759197, 1518394, 1685047, 3370094, 5314379, 9869561, 10628758, 19739122, 69086927, 138173854]

約数ペア:

[(1, 138173854), (2, 69086927), (7, 19739122), (13, 10628758), (14, 9869561), (26, 5314379), (41, 3370094), (82, 1685047), (91, 1518394), (182, 759197), (287, 481442), (533, 259238), (574, 240721), (1066, 129619), (3731, 37034), (7462, 18517)]