78500012

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{1327}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 143678976

約数和(自身を除く): 65178964

約数列:

[1, 2, 4, 23, 46, 92, 643, 1286, 1327, 2572, 2654, 5308, 14789, 29578, 30521, 59156, 61042, 122084, 853261, 1706522, 3413044, 19625003, 39250006, 78500012]

約数ペア:

[(1, 78500012), (2, 39250006), (4, 19625003), (23, 3413044), (46, 1706522), (92, 853261), (643, 122084), (1286, 61042), (1327, 59156), (2572, 30521), (2654, 29578), (5308, 14789)]