1280788415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{224897}}^1$

素因数の和:224986

約数の個数: 16

約数和(自身を含む): 1651650912

約数和(自身を除く): 370862497

約数列:

[1, 5, 17, 67, 85, 335, 1139, 5695, 224897, 1124485, 3823249, 15068099, 19116245, 75340495, 256157683, 1280788415]

約数ペア:

[(1, 1280788415), (5, 256157683), (17, 75340495), (67, 19116245), (85, 15068099), (335, 3823249), (1139, 1124485), (5695, 224897)]