513216656

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{809}}^1\times {\mathrm{1279}}^1$

素因数の和:2127

約数の個数: 40

約数和(自身を含む): 1028505600

約数和(自身を除く): 515288944

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 809, 1279, 1618, 2558, 3236, 5116, 6472, 10232, 12944, 20464, 25079, 39649, 50158, 79298, 100316, 158596, 200632, 317192, 401264, 634384, 1034711, 2069422, 4138844, 8277688, 16555376, 32076041, 64152082, 128304164, 256608328, 513216656]

約数ペア:

[(1, 513216656), (2, 256608328), (4, 128304164), (8, 64152082), (16, 32076041), (31, 16555376), (62, 8277688), (124, 4138844), (248, 2069422), (496, 1034711), (809, 634384), (1279, 401264), (1618, 317192), (2558, 200632), (3236, 158596), (5116, 100316), (6472, 79298), (10232, 50158), (12944, 39649), (20464, 25079)]