81112564

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{1237}}^1$

素因数の和:1364

約数の個数: 36

約数和(自身を含む): 155416044

約数和(自身を除く): 74303480

約数列:

[1, 2, 4, 13, 26, 52, 97, 169, 194, 338, 388, 676, 1237, 1261, 2474, 2522, 4948, 5044, 16081, 16393, 32162, 32786, 64324, 65572, 119989, 209053, 239978, 418106, 479956, 836212, 1559857, 3119714, 6239428, 20278141, 40556282, 81112564]

約数ペア:

[(1, 81112564), (2, 40556282), (4, 20278141), (13, 6239428), (26, 3119714), (52, 1559857), (97, 836212), (169, 479956), (194, 418106), (338, 239978), (388, 209053), (676, 119989), (1237, 65572), (1261, 64324), (2474, 32786), (2522, 32162), (4948, 16393), (5044, 16081)]