28307630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 57915648

約数和(自身を除く): 29608018

約数列:

[1, 2, 5, 10, 13, 26, 41, 47, 65, 82, 94, 113, 130, 205, 226, 235, 410, 470, 533, 565, 611, 1066, 1130, 1222, 1469, 1927, 2665, 2938, 3055, 3854, 4633, 5311, 5330, 6110, 7345, 9266, 9635, 10622, 14690, 19270, 23165, 25051, 26555, 46330, 50102, 53110, 60229, 69043, 120458, 125255, 138086, 217751, 250510, 301145, 345215, 435502, 602290, 690430, 1088755, 2177510, 2830763, 5661526, 14153815, 28307630]

約数ペア:

[(1, 28307630), (2, 14153815), (5, 5661526), (10, 2830763), (13, 2177510), (26, 1088755), (41, 690430), (47, 602290), (65, 435502), (82, 345215), (94, 301145), (113, 250510), (130, 217751), (205, 138086), (226, 125255), (235, 120458), (410, 69043), (470, 60229), (533, 53110), (565, 50102), (611, 46330), (1066, 26555), (1130, 25051), (1222, 23165), (1469, 19270), (1927, 14690), (2665, 10622), (2938, 9635), (3055, 9266), (3854, 7345), (4633, 6110), (5311, 5330)]