5105555

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 7728000

約数和(自身を除く): 2622445

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 229, 245, 343, 455, 637, 1145, 1603, 1715, 2977, 3185, 4459, 8015, 11221, 14885, 20839, 22295, 56105, 78547, 104195, 145873, 392735, 729365, 1021111, 5105555]

約数ペア:

[(1, 5105555), (5, 1021111), (7, 729365), (13, 392735), (35, 145873), (49, 104195), (65, 78547), (91, 56105), (229, 22295), (245, 20839), (343, 14885), (455, 11221), (637, 8015), (1145, 4459), (1603, 3185), (1715, 2977)]