215067796

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{809}}^1\times {\mathrm{1621}}^1$

素因数の和:2475

約数の個数: 24

約数和(自身を含む): 386263080

約数和(自身を除く): 171195284

約数列:

[1, 2, 4, 41, 82, 164, 809, 1618, 1621, 3236, 3242, 6484, 33169, 66338, 66461, 132676, 132922, 265844, 1311389, 2622778, 5245556, 53766949, 107533898, 215067796]

約数ペア:

[(1, 215067796), (2, 107533898), (4, 53766949), (41, 5245556), (82, 2622778), (164, 1311389), (809, 265844), (1618, 132922), (1621, 132676), (3236, 66461), (3242, 66338), (6484, 33169)]