205981775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{13099}}^1$

素因数の和:13163

約数の個数: 24

約数和(自身を含む): 277772400

約数和(自身を除く): 71790625

約数列:

[1, 5, 17, 25, 37, 85, 185, 425, 629, 925, 3145, 13099, 15725, 65495, 222683, 327475, 484663, 1113415, 2423315, 5567075, 8239271, 12116575, 41196355, 205981775]

約数ペア:

[(1, 205981775), (5, 41196355), (17, 12116575), (25, 8239271), (37, 5567075), (85, 2423315), (185, 1113415), (425, 484663), (629, 327475), (925, 222683), (3145, 65495), (13099, 15725)]