1398889765

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{4229}}^1$

素因数の和:4981

約数の個数: 32

約数和(自身を含む): 2069383680

約数和(自身を除く): 670493915

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 727, 3635, 4229, 5089, 9451, 21145, 25445, 29603, 47255, 54977, 66157, 148015, 274885, 330785, 384839, 1924195, 3074483, 15372415, 21521381, 39968279, 107606905, 199841395, 279777953, 1398889765]

約数ペア:

[(1, 1398889765), (5, 279777953), (7, 199841395), (13, 107606905), (35, 39968279), (65, 21521381), (91, 15372415), (455, 3074483), (727, 1924195), (3635, 384839), (4229, 330785), (5089, 274885), (9451, 148015), (21145, 66157), (25445, 54977), (29603, 47255)]