31264090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21863}}^1$

素因数の和:21894

約数の個数: 32

約数和(自身を含む): 66116736

約数和(自身を除く): 34852646

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 21863, 43726, 109315, 218630, 240493, 284219, 480986, 568438, 1202465, 1421095, 2404930, 2842190, 3126409, 6252818, 15632045, 31264090]

約数ペア:

[(1, 31264090), (2, 15632045), (5, 6252818), (10, 3126409), (11, 2842190), (13, 2404930), (22, 1421095), (26, 1202465), (55, 568438), (65, 480986), (110, 284219), (130, 240493), (143, 218630), (286, 109315), (715, 43726), (1430, 21863)]