28075684

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{563}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 61020288

約数和(自身を除く): 32944604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 137, 182, 274, 364, 548, 563, 959, 1126, 1781, 1918, 2252, 3562, 3836, 3941, 7124, 7319, 7882, 12467, 14638, 15764, 24934, 29276, 49868, 51233, 77131, 102466, 154262, 204932, 308524, 539917, 1002703, 1079834, 2005406, 2159668, 4010812, 7018921, 14037842, 28075684]

約数ペア:

[(1, 28075684), (2, 14037842), (4, 7018921), (7, 4010812), (13, 2159668), (14, 2005406), (26, 1079834), (28, 1002703), (52, 539917), (91, 308524), (137, 204932), (182, 154262), (274, 102466), (364, 77131), (548, 51233), (563, 49868), (959, 29276), (1126, 24934), (1781, 15764), (1918, 14638), (2252, 12467), (3562, 7882), (3836, 7319), (3941, 7124)]