1555138

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 24

約数和(自身を含む): 2608848

約数和(自身を除く): 1053710

約数列:

[1, 2, 13, 26, 43, 86, 107, 169, 214, 338, 559, 1118, 1391, 2782, 4601, 7267, 9202, 14534, 18083, 36166, 59813, 119626, 777569, 1555138]

約数ペア:

[(1, 1555138), (2, 777569), (13, 119626), (26, 59813), (43, 36166), (86, 18083), (107, 14534), (169, 9202), (214, 7267), (338, 4601), (559, 2782), (1118, 1391)]