318665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:208

約数の個数: 16

約数和(自身を含む): 425088

約数和(自身を除く): 106423

約数列:

[1, 5, 17, 23, 85, 115, 163, 391, 815, 1955, 2771, 3749, 13855, 18745, 63733, 318665]

約数ペア:

[(1, 318665), (5, 63733), (17, 18745), (23, 13855), (85, 3749), (115, 2771), (163, 1955), (391, 815)]