81880456

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 183398400

約数和(自身を除く): 101517944

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 127, 203, 232, 254, 397, 406, 508, 794, 812, 889, 1016, 1588, 1624, 1778, 2779, 3176, 3556, 3683, 5558, 7112, 7366, 11116, 11513, 14732, 22232, 23026, 25781, 29464, 46052, 50419, 51562, 80591, 92104, 100838, 103124, 161182, 201676, 206248, 322364, 352933, 403352, 644728, 705866, 1411732, 1462151, 2823464, 2924302, 5848604, 10235057, 11697208, 20470114, 40940228, 81880456]

約数ペア:

[(1, 81880456), (2, 40940228), (4, 20470114), (7, 11697208), (8, 10235057), (14, 5848604), (28, 2924302), (29, 2823464), (56, 1462151), (58, 1411732), (116, 705866), (127, 644728), (203, 403352), (232, 352933), (254, 322364), (397, 206248), (406, 201676), (508, 161182), (794, 103124), (812, 100838), (889, 92104), (1016, 80591), (1588, 51562), (1624, 50419), (1778, 46052), (2779, 29464), (3176, 25781), (3556, 23026), (3683, 22232), (5558, 14732), (7112, 11513), (7366, 11116)]