1213715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 16

約数和(自身を含む): 1568160

約数和(自身を除く): 354445

約数列:

[1, 5, 17, 85, 109, 131, 545, 655, 1853, 2227, 9265, 11135, 14279, 71395, 242743, 1213715]

約数ペア:

[(1, 1213715), (5, 242743), (17, 71395), (85, 14279), (109, 11135), (131, 9265), (545, 2227), (655, 1853)]