31788972

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{12437}}^1$

素因数の和:12518

約数の個数: 36

約数和(自身を含む): 81493776

約数和(自身を除く): 49704804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 12437, 24874, 37311, 49748, 74622, 111933, 149244, 223866, 447732, 883027, 1766054, 2649081, 3532108, 5298162, 7947243, 10596324, 15894486, 31788972]

約数ペア:

[(1, 31788972), (2, 15894486), (3, 10596324), (4, 7947243), (6, 5298162), (9, 3532108), (12, 2649081), (18, 1766054), (36, 883027), (71, 447732), (142, 223866), (213, 149244), (284, 111933), (426, 74622), (639, 49748), (852, 37311), (1278, 24874), (2556, 12437)]