82779428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{20551}}^1$

素因数の和:20627

約数の個数: 24

約数和(自身を含む): 155373120

約数和(自身を除く): 72593692

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 20551, 41102, 82204, 390469, 780938, 1089203, 1561876, 2178406, 4356812, 20694857, 41389714, 82779428]

約数ペア:

[(1, 82779428), (2, 41389714), (4, 20694857), (19, 4356812), (38, 2178406), (53, 1561876), (76, 1089203), (106, 780938), (212, 390469), (1007, 82204), (2014, 41102), (4028, 20551)]