25449879

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 43006464

約数和(自身を除く): 17556585

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 101, 169, 213, 273, 303, 497, 507, 707, 923, 1183, 1313, 1491, 2121, 2769, 3549, 3939, 6461, 7171, 9191, 11999, 17069, 19383, 21513, 27573, 35997, 50197, 51207, 83993, 93223, 119483, 150591, 251979, 279669, 358449, 652561, 1211899, 1957683, 3635697, 8483293, 25449879]

約数ペア:

[(1, 25449879), (3, 8483293), (7, 3635697), (13, 1957683), (21, 1211899), (39, 652561), (71, 358449), (91, 279669), (101, 251979), (169, 150591), (213, 119483), (273, 93223), (303, 83993), (497, 51207), (507, 50197), (707, 35997), (923, 27573), (1183, 21513), (1313, 19383), (1491, 17069), (2121, 11999), (2769, 9191), (3549, 7171), (3939, 6461)]