31939984

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:499

約数の個数: 40

約数和(自身を含む): 63980280

約数和(自身を除く): 32040296

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 181, 269, 328, 362, 538, 656, 724, 1076, 1448, 2152, 2896, 4304, 7421, 11029, 14842, 22058, 29684, 44116, 48689, 59368, 88232, 97378, 118736, 176464, 194756, 389512, 779024, 1996249, 3992498, 7984996, 15969992, 31939984]

約数ペア:

[(1, 31939984), (2, 15969992), (4, 7984996), (8, 3992498), (16, 1996249), (41, 779024), (82, 389512), (164, 194756), (181, 176464), (269, 118736), (328, 97378), (362, 88232), (538, 59368), (656, 48689), (724, 44116), (1076, 29684), (1448, 22058), (2152, 14842), (2896, 11029), (4304, 7421)]