28355272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 33334328

約数列:

[1, 2, 4, 8, 11, 22, 29, 41, 44, 58, 82, 88, 116, 164, 232, 271, 319, 328, 451, 542, 638, 902, 1084, 1189, 1276, 1804, 2168, 2378, 2552, 2981, 3608, 4756, 5962, 7859, 9512, 11111, 11924, 13079, 15718, 22222, 23848, 26158, 31436, 44444, 52316, 62872, 86449, 88888, 104632, 122221, 172898, 244442, 322219, 345796, 488884, 644438, 691592, 977768, 1288876, 2577752, 3544409, 7088818, 14177636, 28355272]

約数ペア:

[(1, 28355272), (2, 14177636), (4, 7088818), (8, 3544409), (11, 2577752), (22, 1288876), (29, 977768), (41, 691592), (44, 644438), (58, 488884), (82, 345796), (88, 322219), (116, 244442), (164, 172898), (232, 122221), (271, 104632), (319, 88888), (328, 86449), (451, 62872), (542, 52316), (638, 44444), (902, 31436), (1084, 26158), (1189, 23848), (1276, 22222), (1804, 15718), (2168, 13079), (2378, 11924), (2552, 11111), (2981, 9512), (3608, 7859), (4756, 5962)]