156943403728

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{2713}}^1\times {\mathrm{18353}}^1$

素因数の和:21271

約数の個数: 40

約数和(自身を含む): 305750696328

約数和(自身を除く): 148807292600

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 2713, 3152, 5426, 10852, 18353, 21704, 36706, 43408, 73412, 146824, 293648, 534461, 1068922, 2137844, 3615541, 4275688, 7231082, 8551376, 14462164, 28924328, 49791689, 57848656, 99583378, 199166756, 398333512, 796667024, 9808962733, 19617925466, 39235850932, 78471701864, 156943403728]

約数ペア:

[(1, 156943403728), (2, 78471701864), (4, 39235850932), (8, 19617925466), (16, 9808962733), (197, 796667024), (394, 398333512), (788, 199166756), (1576, 99583378), (2713, 57848656), (3152, 49791689), (5426, 28924328), (10852, 14462164), (18353, 8551376), (21704, 7231082), (36706, 4275688), (43408, 3615541), (73412, 2137844), (146824, 1068922), (293648, 534461)]