81561656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{2671}}^1$

素因数の和:3035

約数の個数: 32

約数和(自身を含む): 167374080

約数和(自身を除く): 85812424

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 347, 694, 1388, 2671, 2776, 3817, 5342, 7634, 10684, 15268, 21368, 29381, 30536, 58762, 117524, 235048, 926837, 1853674, 3707348, 7414696, 10195207, 20390414, 40780828, 81561656]

約数ペア:

[(1, 81561656), (2, 40780828), (4, 20390414), (8, 10195207), (11, 7414696), (22, 3707348), (44, 1853674), (88, 926837), (347, 235048), (694, 117524), (1388, 58762), (2671, 30536), (2776, 29381), (3817, 21368), (5342, 15268), (7634, 10684)]