697665020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{65447}}^1$

素因数の和:65510

約数の個数: 48

約数和(自身を含む): 1616303808

約数和(自身を除く): 918638788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 65447, 130894, 261788, 327235, 654470, 850811, 1308940, 1701622, 2683327, 3403244, 4254055, 5366654, 8508110, 10733308, 13416635, 17016220, 26833270, 34883251, 53666540, 69766502, 139533004, 174416255, 348832510, 697665020]

約数ペア:

[(1, 697665020), (2, 348832510), (4, 174416255), (5, 139533004), (10, 69766502), (13, 53666540), (20, 34883251), (26, 26833270), (41, 17016220), (52, 13416635), (65, 10733308), (82, 8508110), (130, 5366654), (164, 4254055), (205, 3403244), (260, 2683327), (410, 1701622), (533, 1308940), (820, 850811), (1066, 654470), (2132, 327235), (2665, 261788), (5330, 130894), (10660, 65447)]