28556606

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 47580960

約数和(自身を除く): 19024354

約数列:

[1, 2, 13, 26, 67, 97, 134, 169, 194, 338, 871, 1261, 1742, 2197, 2522, 4394, 6499, 11323, 12998, 16393, 22646, 32786, 84487, 147199, 168974, 213109, 294398, 426218, 1098331, 2196662, 14278303, 28556606]

約数ペア:

[(1, 28556606), (2, 14278303), (13, 2196662), (26, 1098331), (67, 426218), (97, 294398), (134, 213109), (169, 168974), (194, 147199), (338, 84487), (871, 32786), (1261, 22646), (1742, 16393), (2197, 12998), (2522, 11323), (4394, 6499)]