222161810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{55127}}^1$

素因数の和:55178

約数の個数: 32

約数和(自身を含む): 444552192

約数和(自身を除く): 222390382

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 55127, 110254, 275635, 551270, 716651, 1433302, 1708937, 3417874, 3583255, 7166510, 8544685, 17089370, 22216181, 44432362, 111080905, 222161810]

約数ペア:

[(1, 222161810), (2, 111080905), (5, 44432362), (10, 22216181), (13, 17089370), (26, 8544685), (31, 7166510), (62, 3583255), (65, 3417874), (130, 1708937), (155, 1433302), (310, 716651), (403, 551270), (806, 275635), (2015, 110254), (4030, 55127)]