279706768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{20117}}^1$

素因数の和:20215

約数の個数: 40

約数和(自身を含む): 598711680

約数和(自身を除く): 319004912

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1738, 3476, 6952, 13904, 20117, 40234, 80468, 160936, 221287, 321872, 442574, 885148, 1589243, 1770296, 3178486, 3540592, 6356972, 12713944, 17481673, 25427888, 34963346, 69926692, 139853384, 279706768]

約数ペア:

[(1, 279706768), (2, 139853384), (4, 69926692), (8, 34963346), (11, 25427888), (16, 17481673), (22, 12713944), (44, 6356972), (79, 3540592), (88, 3178486), (158, 1770296), (176, 1589243), (316, 885148), (632, 442574), (869, 321872), (1264, 221287), (1738, 160936), (3476, 80468), (6952, 40234), (13904, 20117)]