81382490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{13063}}^1$

素因数の和:13166

約数の個数: 32

約数和(自身を含む): 169309440

約数和(自身を除く): 87926950

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 13063, 26126, 65315, 91441, 130630, 182882, 457205, 914410, 1162607, 2325214, 5813035, 8138249, 11626070, 16276498, 40691245, 81382490]

約数ペア:

[(1, 81382490), (2, 40691245), (5, 16276498), (7, 11626070), (10, 8138249), (14, 5813035), (35, 2325214), (70, 1162607), (89, 914410), (178, 457205), (445, 182882), (623, 130630), (890, 91441), (1246, 65315), (3115, 26126), (6230, 13063)]