25651691

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 31752000

約数和(自身を除く): 6100309

約数列:

[1, 13, 17, 19, 41, 149, 221, 247, 323, 533, 697, 779, 1937, 2533, 2831, 4199, 6109, 9061, 10127, 13243, 32929, 36803, 48127, 79417, 103853, 116071, 172159, 625651, 1350089, 1508923, 1973207, 25651691]

約数ペア:

[(1, 25651691), (13, 1973207), (17, 1508923), (19, 1350089), (41, 625651), (149, 172159), (221, 116071), (247, 103853), (323, 79417), (533, 48127), (697, 36803), (779, 32929), (1937, 13243), (2533, 10127), (2831, 9061), (4199, 6109)]