28773836

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{577}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 62534976

約数和(自身を除く): 33761140

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 137, 182, 274, 364, 548, 577, 959, 1154, 1781, 1918, 2308, 3562, 3836, 4039, 7124, 7501, 8078, 12467, 15002, 16156, 24934, 30004, 49868, 52507, 79049, 105014, 158098, 210028, 316196, 553343, 1027637, 1106686, 2055274, 2213372, 4110548, 7193459, 14386918, 28773836]

約数ペア:

[(1, 28773836), (2, 14386918), (4, 7193459), (7, 4110548), (13, 2213372), (14, 2055274), (26, 1106686), (28, 1027637), (52, 553343), (91, 316196), (137, 210028), (182, 158098), (274, 105014), (364, 79049), (548, 52507), (577, 49868), (959, 30004), (1154, 24934), (1781, 16156), (1918, 15002), (2308, 12467), (3562, 8078), (3836, 7501), (4039, 7124)]