31428419

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{491}}^1$

素因数の和:559

約数の個数: 18

約数和(自身を含む): 36186108

約数和(自身を除く): 4757689

約数列:

[1, 11, 23, 121, 253, 491, 529, 2783, 5401, 5819, 11293, 59411, 64009, 124223, 259739, 1366453, 2857129, 31428419]

約数ペア:

[(1, 31428419), (11, 2857129), (23, 1366453), (121, 259739), (253, 124223), (491, 64009), (529, 59411), (2783, 11293), (5401, 5819)]