3977974

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2020

約数の個数: 32

約数和(自身を含む): 8015616

約数和(自身を除く): 4037642

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 1987, 2002, 3974, 13909, 21857, 25831, 27818, 43714, 51662, 152999, 180817, 284141, 305998, 361634, 568282, 1988987, 3977974]

約数ペア:

[(1, 3977974), (2, 1988987), (7, 568282), (11, 361634), (13, 305998), (14, 284141), (22, 180817), (26, 152999), (77, 51662), (91, 43714), (143, 27818), (154, 25831), (182, 21857), (286, 13909), (1001, 3974), (1987, 2002)]