12781736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{431}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 26282880

約数和(自身を除く): 13501144

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 337, 431, 674, 862, 1348, 1724, 2696, 3448, 3707, 4741, 7414, 9482, 14828, 18964, 29656, 37928, 145247, 290494, 580988, 1161976, 1597717, 3195434, 6390868, 12781736]

約数ペア:

[(1, 12781736), (2, 6390868), (4, 3195434), (8, 1597717), (11, 1161976), (22, 580988), (44, 290494), (88, 145247), (337, 37928), (431, 29656), (674, 18964), (862, 14828), (1348, 9482), (1724, 7414), (2696, 4741), (3448, 3707)]