311828990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{38833}}^1$

素因数の和:38924

約数の個数: 32

約数和(自身を含む): 620722656

約数和(自身を除く): 308893666

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 4015, 8030, 38833, 77666, 194165, 388330, 427163, 854326, 2135815, 2834809, 4271630, 5669618, 14174045, 28348090, 31182899, 62365798, 155914495, 311828990]

約数ペア:

[(1, 311828990), (2, 155914495), (5, 62365798), (10, 31182899), (11, 28348090), (22, 14174045), (55, 5669618), (73, 4271630), (110, 2834809), (146, 2135815), (365, 854326), (730, 427163), (803, 388330), (1606, 194165), (4015, 77666), (8030, 38833)]