890403908

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{20327}}^1$

素因数の和:20611

約数の個数: 24

約数和(自身を含む): 1598268672

約数和(自身を除く): 707864764

約数列:

[1, 2, 4, 47, 94, 188, 233, 466, 932, 10951, 20327, 21902, 40654, 43804, 81308, 955369, 1910738, 3821476, 4736191, 9472382, 18944764, 222600977, 445201954, 890403908]

約数ペア:

[(1, 890403908), (2, 445201954), (4, 222600977), (47, 18944764), (94, 9472382), (188, 4736191), (233, 3821476), (466, 1910738), (932, 955369), (10951, 81308), (20327, 43804), (21902, 40654)]