81898024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{971}}^1$

素因数の和:1801

約数の個数: 32

約数和(自身を含む): 165745440

約数和(自身を除く): 83847416

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 811, 971, 1622, 1942, 3244, 3884, 6488, 7768, 10543, 12623, 21086, 25246, 42172, 50492, 84344, 100984, 787481, 1574962, 3149924, 6299848, 10237253, 20474506, 40949012, 81898024]

約数ペア:

[(1, 81898024), (2, 40949012), (4, 20474506), (8, 10237253), (13, 6299848), (26, 3149924), (52, 1574962), (104, 787481), (811, 100984), (971, 84344), (1622, 50492), (1942, 42172), (3244, 25246), (3884, 21086), (6488, 12623), (7768, 10543)]