1213910399

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1997}}^1$

素因数の和:2159

約数の個数: 32

約数和(自身を含む): 1450068480

約数和(自身を除く): 236158081

約数列:

[1, 13, 19, 23, 107, 247, 299, 437, 1391, 1997, 2033, 2461, 5681, 25961, 26429, 31993, 37943, 45931, 46759, 213679, 493259, 597103, 607867, 872689, 2777827, 4059901, 4914617, 11344957, 52778713, 63890021, 93377723, 1213910399]

約数ペア:

[(1, 1213910399), (13, 93377723), (19, 63890021), (23, 52778713), (107, 11344957), (247, 4914617), (299, 4059901), (437, 2777827), (1391, 872689), (1997, 607867), (2033, 597103), (2461, 493259), (5681, 213679), (25961, 46759), (26429, 45931), (31993, 37943)]