217618518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{8971}}^1$

素因数の和:9300

約数の個数: 32

約数和(自身を含む): 470276352

約数和(自身を除く): 252657834

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 311, 622, 933, 1866, 4043, 8086, 8971, 12129, 17942, 24258, 26913, 53826, 116623, 233246, 349869, 699738, 2789981, 5579962, 8369943, 16739886, 36269753, 72539506, 108809259, 217618518]

約数ペア:

[(1, 217618518), (2, 108809259), (3, 72539506), (6, 36269753), (13, 16739886), (26, 8369943), (39, 5579962), (78, 2789981), (311, 699738), (622, 349869), (933, 233246), (1866, 116623), (4043, 53826), (8086, 26913), (8971, 24258), (12129, 17942)]