81086456

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{397}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 168330120

約数和(自身を除く): 87243664

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 211, 242, 397, 422, 484, 794, 844, 968, 1588, 1688, 2321, 3176, 4367, 4642, 8734, 9284, 17468, 18568, 25531, 34936, 48037, 51062, 83767, 96074, 102124, 167534, 192148, 204248, 335068, 384296, 670136, 921437, 1842874, 3685748, 7371496, 10135807, 20271614, 40543228, 81086456]

約数ペア:

[(1, 81086456), (2, 40543228), (4, 20271614), (8, 10135807), (11, 7371496), (22, 3685748), (44, 1842874), (88, 921437), (121, 670136), (211, 384296), (242, 335068), (397, 204248), (422, 192148), (484, 167534), (794, 102124), (844, 96074), (968, 83767), (1588, 51062), (1688, 48037), (2321, 34936), (3176, 25531), (4367, 18568), (4642, 17468), (8734, 9284)]