13679215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 18911232

約数和(自身を除く): 5232017

約数列:

[1, 5, 11, 31, 55, 71, 113, 155, 341, 355, 565, 781, 1243, 1705, 2201, 3503, 3905, 6215, 8023, 11005, 17515, 24211, 38533, 40115, 88253, 121055, 192665, 248713, 441265, 1243565, 2735843, 13679215]

約数ペア:

[(1, 13679215), (5, 2735843), (11, 1243565), (31, 441265), (55, 248713), (71, 192665), (113, 121055), (155, 88253), (341, 40115), (355, 38533), (565, 24211), (781, 17515), (1243, 11005), (1705, 8023), (2201, 6215), (3503, 3905)]