664459868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{186019}}^1$

素因数の和:186089

約数の個数: 24

約数和(自身を含む): 1250054400

約数和(自身を除く): 585594532

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 3572, 186019, 372038, 744076, 3534361, 7068722, 8742893, 14137444, 17485786, 34971572, 166114967, 332229934, 664459868]

約数ペア:

[(1, 664459868), (2, 332229934), (4, 166114967), (19, 34971572), (38, 17485786), (47, 14137444), (76, 8742893), (94, 7068722), (188, 3534361), (893, 744076), (1786, 372038), (3572, 186019)]