81644888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11057}}^1$

素因数の和:11147

約数の個数: 32

約数和(自身を含む): 167196960

約数和(自身を除く): 85552072

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 3692, 7384, 11057, 22114, 44228, 88456, 143741, 287482, 574964, 785047, 1149928, 1570094, 3140188, 6280376, 10205611, 20411222, 40822444, 81644888]

約数ペア:

[(1, 81644888), (2, 40822444), (4, 20411222), (8, 10205611), (13, 6280376), (26, 3140188), (52, 1570094), (71, 1149928), (104, 785047), (142, 574964), (284, 287482), (568, 143741), (923, 88456), (1846, 44228), (3692, 22114), (7384, 11057)]