398998288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{733}}^1\times {\mathrm{2617}}^1$

素因数の和:3371

約数の個数: 40

約数和(自身を含む): 833979608

約数和(自身を除く): 434981320

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 733, 1466, 2617, 2932, 5234, 5864, 9529, 10468, 11728, 19058, 20936, 34021, 38116, 41872, 68042, 76232, 136084, 152464, 272168, 544336, 1918261, 3836522, 7673044, 15346088, 24937393, 30692176, 49874786, 99749572, 199499144, 398998288]

約数ペア:

[(1, 398998288), (2, 199499144), (4, 99749572), (8, 49874786), (13, 30692176), (16, 24937393), (26, 15346088), (52, 7673044), (104, 3836522), (208, 1918261), (733, 544336), (1466, 272168), (2617, 152464), (2932, 136084), (5234, 76232), (5864, 68042), (9529, 41872), (10468, 38116), (11728, 34021), (19058, 20936)]