15881138

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1322

約数の個数: 32

約数和(自身を含む): 29756160

約数和(自身を除く): 13875022

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 182, 497, 923, 994, 1229, 1846, 2458, 6461, 8603, 12922, 15977, 17206, 31954, 87259, 111839, 174518, 223678, 610813, 1134367, 1221626, 2268734, 7940569, 15881138]

約数ペア:

[(1, 15881138), (2, 7940569), (7, 2268734), (13, 1221626), (14, 1134367), (26, 610813), (71, 223678), (91, 174518), (142, 111839), (182, 87259), (497, 31954), (923, 17206), (994, 15977), (1229, 12922), (1846, 8603), (2458, 6461)]