39988234

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1571}}^1$

素因数の和:1686

約数の個数: 32

約数和(自身を含む): 71305920

約数和(自身を除く): 31317686

約数列:

[1, 2, 11, 13, 22, 26, 89, 143, 178, 286, 979, 1157, 1571, 1958, 2314, 3142, 12727, 17281, 20423, 25454, 34562, 40846, 139819, 224653, 279638, 449306, 1538009, 1817647, 3076018, 3635294, 19994117, 39988234]

約数ペア:

[(1, 39988234), (2, 19994117), (11, 3635294), (13, 3076018), (22, 1817647), (26, 1538009), (89, 449306), (143, 279638), (178, 224653), (286, 139819), (979, 40846), (1157, 34562), (1571, 25454), (1958, 20423), (2314, 17281), (3142, 12727)]