249568891

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 320176800

約数和(自身を除く): 70607909

約数列:

[1, 11, 13, 17, 53, 143, 149, 169, 187, 221, 583, 689, 901, 1639, 1859, 1937, 2431, 2533, 2873, 7579, 7897, 8957, 9911, 11713, 21307, 25181, 27863, 31603, 32929, 86867, 98527, 102661, 128843, 134249, 152269, 276991, 362219, 428077, 1129271, 1334593, 1476739, 1674959, 1745237, 4708847, 14680523, 19197607, 22688081, 249568891]

約数ペア:

[(1, 249568891), (11, 22688081), (13, 19197607), (17, 14680523), (53, 4708847), (143, 1745237), (149, 1674959), (169, 1476739), (187, 1334593), (221, 1129271), (583, 428077), (689, 362219), (901, 276991), (1639, 152269), (1859, 134249), (1937, 128843), (2431, 102661), (2533, 98527), (2873, 86867), (7579, 32929), (7897, 31603), (8957, 27863), (9911, 25181), (11713, 21307)]