261569256

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{838363}}^1$

素因数の和:838385

約数の個数: 32

約数和(自身を含む): 704225760

約数和(自身を除く): 442656504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 838363, 1676726, 2515089, 3353452, 5030178, 6706904, 10060356, 10898719, 20120712, 21797438, 32696157, 43594876, 65392314, 87189752, 130784628, 261569256]

約数ペア:

[(1, 261569256), (2, 130784628), (3, 87189752), (4, 65392314), (6, 43594876), (8, 32696157), (12, 21797438), (13, 20120712), (24, 10898719), (26, 10060356), (39, 6706904), (52, 5030178), (78, 3353452), (104, 2515089), (156, 1676726), (312, 838363)]