81047390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{691}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 150518304

約数和(自身を除く): 69470914

約数列:

[1, 2, 5, 10, 37, 74, 185, 317, 370, 634, 691, 1382, 1585, 3170, 3455, 6910, 11729, 23458, 25567, 51134, 58645, 117290, 127835, 219047, 255670, 438094, 1095235, 2190470, 8104739, 16209478, 40523695, 81047390]

約数ペア:

[(1, 81047390), (2, 40523695), (5, 16209478), (10, 8104739), (37, 2190470), (74, 1095235), (185, 438094), (317, 255670), (370, 219047), (634, 127835), (691, 117290), (1382, 58645), (1585, 51134), (3170, 25567), (3455, 23458), (6910, 11729)]