68325968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2113}}^1$

素因数の和:2211

約数の個数: 40

約数和(自身を含む): 138407808

約数和(自身を除く): 70081840

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 688, 752, 2021, 2113, 4042, 4226, 8084, 8452, 16168, 16904, 32336, 33808, 90859, 99311, 181718, 198622, 363436, 397244, 726872, 794488, 1453744, 1588976, 4270373, 8540746, 17081492, 34162984, 68325968]

約数ペア:

[(1, 68325968), (2, 34162984), (4, 17081492), (8, 8540746), (16, 4270373), (43, 1588976), (47, 1453744), (86, 794488), (94, 726872), (172, 397244), (188, 363436), (344, 198622), (376, 181718), (688, 99311), (752, 90859), (2021, 33808), (2113, 32336), (4042, 16904), (4226, 16168), (8084, 8452)]