81503526

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 186310656

約数和(自身を除く): 104807130

約数列:

[1, 2, 3, 6, 13, 26, 31, 37, 39, 62, 74, 78, 93, 111, 186, 222, 403, 481, 806, 911, 962, 1147, 1209, 1443, 1822, 2294, 2418, 2733, 2886, 3441, 5466, 6882, 11843, 14911, 23686, 28241, 29822, 33707, 35529, 44733, 56482, 67414, 71058, 84723, 89466, 101121, 169446, 202242, 367133, 438191, 734266, 876382, 1044917, 1101399, 1314573, 2089834, 2202798, 2629146, 3134751, 6269502, 13583921, 27167842, 40751763, 81503526]

約数ペア:

[(1, 81503526), (2, 40751763), (3, 27167842), (6, 13583921), (13, 6269502), (26, 3134751), (31, 2629146), (37, 2202798), (39, 2089834), (62, 1314573), (74, 1101399), (78, 1044917), (93, 876382), (111, 734266), (186, 438191), (222, 367133), (403, 202242), (481, 169446), (806, 101121), (911, 89466), (962, 84723), (1147, 71058), (1209, 67414), (1443, 56482), (1822, 44733), (2294, 35529), (2418, 33707), (2733, 29822), (2886, 28241), (3441, 23686), (5466, 14911), (6882, 11843)]