2111791

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 2550528

約数和(自身を除く): 438737

約数列:

[1, 11, 17, 23, 187, 253, 391, 491, 4301, 5401, 8347, 11293, 91817, 124223, 191981, 2111791]

約数ペア:

[(1, 2111791), (11, 191981), (17, 124223), (23, 91817), (187, 11293), (253, 8347), (391, 5401), (491, 4301)]