278328258

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{396479}}^1$

素因数の和:396503

約数の個数: 32

約数和(自身を含む): 666086400

約数和(自身を除く): 387758142

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 396479, 792958, 1189437, 2378874, 3568311, 5154227, 7136622, 10308454, 10704933, 15462681, 21409866, 30925362, 46388043, 92776086, 139164129, 278328258]

約数ペア:

[(1, 278328258), (2, 139164129), (3, 92776086), (6, 46388043), (9, 30925362), (13, 21409866), (18, 15462681), (26, 10704933), (27, 10308454), (39, 7136622), (54, 5154227), (78, 3568311), (117, 2378874), (234, 1189437), (351, 792958), (702, 396479)]