7990203

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 12418560

約数和(自身を除く): 4428357

約数列:

[1, 3, 13, 19, 39, 41, 57, 123, 247, 263, 533, 741, 779, 789, 1599, 2337, 3419, 4997, 10127, 10257, 10783, 14991, 30381, 32349, 64961, 140179, 194883, 204877, 420537, 614631, 2663401, 7990203]

約数ペア:

[(1, 7990203), (3, 2663401), (13, 614631), (19, 420537), (39, 204877), (41, 194883), (57, 140179), (123, 64961), (247, 32349), (263, 30381), (533, 14991), (741, 10783), (779, 10257), (789, 10127), (1599, 4997), (2337, 3419)]