396571864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71947}}^1$

素因数の和:72019

約数の個数: 32

約数和(自身を含む): 815890320

約数和(自身を除く): 419318456

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 71947, 143894, 287788, 575576, 935311, 1870622, 3741244, 3813191, 7482488, 7626382, 15252764, 30505528, 49571483, 99142966, 198285932, 396571864]

約数ペア:

[(1, 396571864), (2, 198285932), (4, 99142966), (8, 49571483), (13, 30505528), (26, 15252764), (52, 7626382), (53, 7482488), (104, 3813191), (106, 3741244), (212, 1870622), (424, 935311), (689, 575576), (1378, 287788), (2756, 143894), (5512, 71947)]