8280428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 18051600

約数和(自身を除く): 9771172

約数列:

[1, 2, 4, 13, 17, 19, 26, 29, 34, 38, 52, 58, 68, 76, 116, 221, 247, 289, 323, 377, 442, 493, 494, 551, 578, 646, 754, 884, 986, 988, 1102, 1156, 1292, 1508, 1972, 2204, 3757, 4199, 5491, 6409, 7163, 7514, 8381, 8398, 9367, 10982, 12818, 14326, 15028, 16762, 16796, 18734, 21964, 25636, 28652, 33524, 37468, 71383, 108953, 121771, 142766, 159239, 217906, 243542, 285532, 318478, 435812, 487084, 636956, 2070107, 4140214, 8280428]

約数ペア:

[(1, 8280428), (2, 4140214), (4, 2070107), (13, 636956), (17, 487084), (19, 435812), (26, 318478), (29, 285532), (34, 243542), (38, 217906), (52, 159239), (58, 142766), (68, 121771), (76, 108953), (116, 71383), (221, 37468), (247, 33524), (289, 28652), (323, 25636), (377, 21964), (442, 18734), (493, 16796), (494, 16762), (551, 15028), (578, 14326), (646, 12818), (754, 10982), (884, 9367), (986, 8398), (988, 8381), (1102, 7514), (1156, 7163), (1292, 6409), (1508, 5491), (1972, 4199), (2204, 3757)]