2149968199715

素因数分解:

$5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{307}}^1\times {\mathrm{267143}}^1$

素因数の和:267576

約数の個数: 48

約数和(自身を含む): 3039107081472

約数和(自身を除く): 889138881757

約数列:

[1, 5, 7, 35, 49, 107, 245, 307, 535, 749, 1535, 2149, 3745, 5243, 10745, 15043, 26215, 32849, 75215, 164245, 229943, 267143, 1149715, 1335715, 1609601, 1870001, 8048005, 9350005, 13090007, 28584301, 65450035, 82012901, 142921505, 200090107, 410064505, 574090307, 1000450535, 1400630749, 2870451535, 4018632149, 7003153745, 8775380407, 20093160745, 43876902035, 61427662849, 307138314245, 429993639943, 2149968199715]

約数ペア:

[(1, 2149968199715), (5, 429993639943), (7, 307138314245), (35, 61427662849), (49, 43876902035), (107, 20093160745), (245, 8775380407), (307, 7003153745), (535, 4018632149), (749, 2870451535), (1535, 1400630749), (2149, 1000450535), (3745, 574090307), (5243, 410064505), (10745, 200090107), (15043, 142921505), (26215, 82012901), (32849, 65450035), (75215, 28584301), (164245, 13090007), (229943, 9350005), (267143, 8048005), (1149715, 1870001), (1335715, 1609601)]