86998288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 189737856

約数和(自身を除く): 102739568

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 71, 86, 104, 137, 142, 172, 208, 274, 284, 344, 548, 559, 568, 688, 923, 1096, 1118, 1136, 1781, 1846, 2192, 2236, 3053, 3562, 3692, 4472, 5891, 6106, 7124, 7384, 8944, 9727, 11782, 12212, 14248, 14768, 19454, 23564, 24424, 28496, 38908, 39689, 47128, 48848, 76583, 77816, 79378, 94256, 126451, 153166, 155632, 158756, 252902, 306332, 317512, 418261, 505804, 612664, 635024, 836522, 1011608, 1225328, 1673044, 2023216, 3346088, 5437393, 6692176, 10874786, 21749572, 43499144, 86998288]

約数ペア:

[(1, 86998288), (2, 43499144), (4, 21749572), (8, 10874786), (13, 6692176), (16, 5437393), (26, 3346088), (43, 2023216), (52, 1673044), (71, 1225328), (86, 1011608), (104, 836522), (137, 635024), (142, 612664), (172, 505804), (208, 418261), (274, 317512), (284, 306332), (344, 252902), (548, 158756), (559, 155632), (568, 153166), (688, 126451), (923, 94256), (1096, 79378), (1118, 77816), (1136, 76583), (1781, 48848), (1846, 47128), (2192, 39689), (2236, 38908), (3053, 28496), (3562, 24424), (3692, 23564), (4472, 19454), (5891, 14768), (6106, 14248), (7124, 12212), (7384, 11782), (8944, 9727)]