81693430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{839}}^1$

素因数の和:973

約数の個数: 64

約数和(自身を含む): 182891520

約数和(自身を除く): 101198090

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 107, 130, 182, 214, 455, 535, 749, 839, 910, 1070, 1391, 1498, 1678, 2782, 3745, 4195, 5873, 6955, 7490, 8390, 9737, 10907, 11746, 13910, 19474, 21814, 29365, 48685, 54535, 58730, 76349, 89773, 97370, 109070, 152698, 179546, 381745, 448865, 628411, 763490, 897730, 1167049, 1256822, 2334098, 3142055, 5835245, 6284110, 8169343, 11670490, 16338686, 40846715, 81693430]

約数ペア:

[(1, 81693430), (2, 40846715), (5, 16338686), (7, 11670490), (10, 8169343), (13, 6284110), (14, 5835245), (26, 3142055), (35, 2334098), (65, 1256822), (70, 1167049), (91, 897730), (107, 763490), (130, 628411), (182, 448865), (214, 381745), (455, 179546), (535, 152698), (749, 109070), (839, 97370), (910, 89773), (1070, 76349), (1391, 58730), (1498, 54535), (1678, 48685), (2782, 29365), (3745, 21814), (4195, 19474), (5873, 13910), (6955, 11746), (7490, 10907), (8390, 9737)]