161566136

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{2459}}^1$

素因数の和:2699

約数の個数: 32

約数和(自身を含む): 311731200

約数和(自身を除く): 150165064

約数列:

[1, 2, 4, 8, 43, 86, 172, 191, 344, 382, 764, 1528, 2459, 4918, 8213, 9836, 16426, 19672, 32852, 65704, 105737, 211474, 422948, 469669, 845896, 939338, 1878676, 3757352, 20195767, 40391534, 80783068, 161566136]

約数ペア:

[(1, 161566136), (2, 80783068), (4, 40391534), (8, 20195767), (43, 3757352), (86, 1878676), (172, 939338), (191, 845896), (344, 469669), (382, 422948), (764, 211474), (1528, 105737), (2459, 65704), (4918, 32852), (8213, 19672), (9836, 16426)]