1640288741

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1060303}}^1$

素因数の和:1060340

約数の個数: 16

約数和(自身を含む): 2137572864

約数和(自身を除く): 497284123

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 1060303, 7422121, 13783939, 18025151, 96487573, 126176057, 234326963, 1640288741]

約数ペア:

[(1, 1640288741), (7, 234326963), (13, 126176057), (17, 96487573), (91, 18025151), (119, 13783939), (221, 7422121), (1547, 1060303)]