28921816

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1619}}^1$

素因数の和:1672

約数の個数: 64

約数和(自身を含む): 69984000

約数和(自身を除く): 41062184

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 29, 44, 56, 58, 77, 88, 116, 154, 203, 232, 308, 319, 406, 616, 638, 812, 1276, 1619, 1624, 2233, 2552, 3238, 4466, 6476, 8932, 11333, 12952, 17809, 17864, 22666, 35618, 45332, 46951, 71236, 90664, 93902, 124663, 142472, 187804, 249326, 328657, 375608, 498652, 516461, 657314, 997304, 1032922, 1314628, 2065844, 2629256, 3615227, 4131688, 7230454, 14460908, 28921816]

約数ペア:

[(1, 28921816), (2, 14460908), (4, 7230454), (7, 4131688), (8, 3615227), (11, 2629256), (14, 2065844), (22, 1314628), (28, 1032922), (29, 997304), (44, 657314), (56, 516461), (58, 498652), (77, 375608), (88, 328657), (116, 249326), (154, 187804), (203, 142472), (232, 124663), (308, 93902), (319, 90664), (406, 71236), (616, 46951), (638, 45332), (812, 35618), (1276, 22666), (1619, 17864), (1624, 17809), (2233, 12952), (2552, 11333), (3238, 8932), (4466, 6476)]