128218286

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1\times {\mathrm{359}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 223534080

約数和(自身を除く): 95315794

約数列:

[1, 2, 7, 14, 97, 194, 263, 359, 526, 679, 718, 1358, 1841, 2513, 3682, 5026, 25511, 34823, 51022, 69646, 94417, 178577, 188834, 243761, 357154, 487522, 660919, 1321838, 9158449, 18316898, 64109143, 128218286]

約数ペア:

[(1, 128218286), (2, 64109143), (7, 18316898), (14, 9158449), (97, 1321838), (194, 660919), (263, 487522), (359, 357154), (526, 243761), (679, 188834), (718, 178577), (1358, 94417), (1841, 69646), (2513, 51022), (3682, 34823), (5026, 25511)]