219168326

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 367852800

約数和(自身を除く): 148684474

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 1609, 2197, 3218, 4394, 5239, 10478, 20917, 41834, 49879, 68107, 99758, 136214, 271921, 543842, 648427, 1296854, 3534973, 7069946, 8429551, 16859102, 109584163, 219168326]

約数ペア:

[(1, 219168326), (2, 109584163), (13, 16859102), (26, 8429551), (31, 7069946), (62, 3534973), (169, 1296854), (338, 648427), (403, 543842), (806, 271921), (1609, 136214), (2197, 99758), (3218, 68107), (4394, 49879), (5239, 41834), (10478, 20917)]