215359308

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{139121}}^1$

素因数の和:139174

約数の個数: 36

約数和(自身を含む): 557044488

約数和(自身を除く): 341685180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 139121, 278242, 417363, 556484, 834726, 1252089, 1669452, 2504178, 5008356, 5982203, 11964406, 17946609, 23928812, 35893218, 53839827, 71786436, 107679654, 215359308]

約数ペア:

[(1, 215359308), (2, 107679654), (3, 71786436), (4, 53839827), (6, 35893218), (9, 23928812), (12, 17946609), (18, 11964406), (36, 5982203), (43, 5008356), (86, 2504178), (129, 1669452), (172, 1252089), (258, 834726), (387, 556484), (516, 417363), (774, 278242), (1548, 139121)]