1687812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 4580352

約数和(自身を除く): 2892540

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 283, 284, 426, 497, 566, 849, 852, 994, 1132, 1491, 1698, 1981, 1988, 2982, 3396, 3962, 5943, 5964, 7924, 11886, 20093, 23772, 40186, 60279, 80372, 120558, 140651, 241116, 281302, 421953, 562604, 843906, 1687812]

約数ペア:

[(1, 1687812), (2, 843906), (3, 562604), (4, 421953), (6, 281302), (7, 241116), (12, 140651), (14, 120558), (21, 80372), (28, 60279), (42, 40186), (71, 23772), (84, 20093), (142, 11886), (213, 7924), (283, 5964), (284, 5943), (426, 3962), (497, 3396), (566, 2982), (849, 1988), (852, 1981), (994, 1698), (1132, 1491)]