38981765

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 50728680

約数和(自身を除く): 11746915

約数列:

[1, 5, 17, 53, 85, 265, 289, 509, 901, 1445, 2545, 4505, 8653, 15317, 26977, 43265, 76585, 134885, 147101, 458609, 735505, 2293045, 7796353, 38981765]

約数ペア:

[(1, 38981765), (5, 7796353), (17, 2293045), (53, 735505), (85, 458609), (265, 147101), (289, 134885), (509, 76585), (901, 43265), (1445, 26977), (2545, 15317), (4505, 8653)]