81192904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{2543}}^1$

素因数の和:2869

約数の個数: 32

約数和(自身を含む): 164545920

約数和(自身を除く): 83353016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 307, 614, 1228, 2456, 2543, 3991, 5086, 7982, 10172, 15964, 20344, 31928, 33059, 66118, 132236, 264472, 780701, 1561402, 3122804, 6245608, 10149113, 20298226, 40596452, 81192904]

約数ペア:

[(1, 81192904), (2, 40596452), (4, 20298226), (8, 10149113), (13, 6245608), (26, 3122804), (52, 1561402), (104, 780701), (307, 264472), (614, 132236), (1228, 66118), (2456, 33059), (2543, 31928), (3991, 20344), (5086, 15964), (7982, 10172)]