161002808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{2081}}^1$

素因数の和:2615

約数の個数: 32

約数和(自身を含む): 318546000

約数和(自身を除く): 157543192

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 509, 1018, 2036, 2081, 4072, 4162, 8324, 9671, 16648, 19342, 38684, 39539, 77368, 79078, 158156, 316312, 1059229, 2118458, 4236916, 8473832, 20125351, 40250702, 80501404, 161002808]

約数ペア:

[(1, 161002808), (2, 80501404), (4, 40250702), (8, 20125351), (19, 8473832), (38, 4236916), (76, 2118458), (152, 1059229), (509, 316312), (1018, 158156), (2036, 79078), (2081, 77368), (4072, 39539), (4162, 38684), (8324, 19342), (9671, 16648)]