31805930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2749}}^1$

素因数の和:2858

約数の個数: 32

約数和(自身を含む): 62370000

約数和(自身を除く): 30564070

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 2749, 5498, 5785, 11570, 13745, 27490, 35737, 71474, 178685, 244661, 357370, 489322, 1223305, 2446610, 3180593, 6361186, 15902965, 31805930]

約数ペア:

[(1, 31805930), (2, 15902965), (5, 6361186), (10, 3180593), (13, 2446610), (26, 1223305), (65, 489322), (89, 357370), (130, 244661), (178, 178685), (445, 71474), (890, 35737), (1157, 27490), (2314, 13745), (2749, 11570), (5498, 5785)]