28656758

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 48758976

約数和(自身を除く): 20102218

約数列:

[1, 2, 13, 23, 26, 46, 173, 277, 299, 346, 554, 598, 2249, 3601, 3979, 4498, 6371, 7202, 7958, 12742, 47921, 51727, 82823, 95842, 103454, 165646, 622973, 1102183, 1245946, 2204366, 14328379, 28656758]

約数ペア:

[(1, 28656758), (2, 14328379), (13, 2204366), (23, 1245946), (26, 1102183), (46, 622973), (173, 165646), (277, 103454), (299, 95842), (346, 82823), (554, 51727), (598, 47921), (2249, 12742), (3601, 7958), (3979, 7202), (4498, 6371)]