81497656

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{3947}}^1$

素因数の和:4071

約数の個数: 32

約数和(自身を含む): 159894000

約数和(自身を除く): 78396344

約数列:

[1, 2, 4, 8, 29, 58, 89, 116, 178, 232, 356, 712, 2581, 3947, 5162, 7894, 10324, 15788, 20648, 31576, 114463, 228926, 351283, 457852, 702566, 915704, 1405132, 2810264, 10187207, 20374414, 40748828, 81497656]

約数ペア:

[(1, 81497656), (2, 40748828), (4, 20374414), (8, 10187207), (29, 2810264), (58, 1405132), (89, 915704), (116, 702566), (178, 457852), (232, 351283), (356, 228926), (712, 114463), (2581, 31576), (3947, 20648), (5162, 15788), (7894, 10324)]