231865660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{21751}}^1$

素因数の和:21814

約数の個数: 48

約数和(自身を含む): 537187392

約数和(自身を除く): 305321732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 21751, 43502, 87004, 108755, 217510, 282763, 435020, 565526, 891791, 1131052, 1413815, 1783582, 2827630, 3567164, 4458955, 5655260, 8917910, 11593283, 17835820, 23186566, 46373132, 57966415, 115932830, 231865660]

約数ペア:

[(1, 231865660), (2, 115932830), (4, 57966415), (5, 46373132), (10, 23186566), (13, 17835820), (20, 11593283), (26, 8917910), (41, 5655260), (52, 4458955), (65, 3567164), (82, 2827630), (130, 1783582), (164, 1413815), (205, 1131052), (260, 891791), (410, 565526), (533, 435020), (820, 282763), (1066, 217510), (2132, 108755), (2665, 87004), (5330, 43502), (10660, 21751)]