989964

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:374

約数の個数: 36

約数和(自身を含む): 2535624

約数和(自身を除く): 1545660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 257, 321, 428, 514, 642, 771, 963, 1028, 1284, 1542, 1926, 2313, 3084, 3852, 4626, 9252, 27499, 54998, 82497, 109996, 164994, 247491, 329988, 494982, 989964]

約数ペア:

[(1, 989964), (2, 494982), (3, 329988), (4, 247491), (6, 164994), (9, 109996), (12, 82497), (18, 54998), (36, 27499), (107, 9252), (214, 4626), (257, 3852), (321, 3084), (428, 2313), (514, 1926), (642, 1542), (771, 1284), (963, 1028)]