1639674

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1283}}^1$

素因数の和:1362

約数の個数: 24

約数和(自身を含む): 3605472

約数和(自身を除く): 1965798

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 1283, 2566, 3849, 7698, 11547, 23094, 91093, 182186, 273279, 546558, 819837, 1639674]

約数ペア:

[(1, 1639674), (2, 819837), (3, 546558), (6, 273279), (9, 182186), (18, 91093), (71, 23094), (142, 11547), (213, 7698), (426, 3849), (639, 2566), (1278, 1283)]