15988002

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2078

約数の個数: 32

約数和(自身を含む): 33792000

約数和(自身を除く): 17803998

約数列:

[1, 2, 3, 6, 31, 43, 62, 86, 93, 129, 186, 258, 1333, 1999, 2666, 3998, 3999, 5997, 7998, 11994, 61969, 85957, 123938, 171914, 185907, 257871, 371814, 515742, 2664667, 5329334, 7994001, 15988002]

約数ペア:

[(1, 15988002), (2, 7994001), (3, 5329334), (6, 2664667), (31, 515742), (43, 371814), (62, 257871), (86, 185907), (93, 171914), (129, 123938), (186, 85957), (258, 61969), (1333, 11994), (1999, 7998), (2666, 5997), (3998, 3999)]