40881698

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{641}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 72479232

約数和(自身を除く): 31597534

約数列:

[1, 2, 11, 13, 22, 26, 143, 223, 286, 446, 641, 1282, 2453, 2899, 4906, 5798, 7051, 8333, 14102, 16666, 31889, 63778, 91663, 142943, 183326, 285886, 1572373, 1858259, 3144746, 3716518, 20440849, 40881698]

約数ペア:

[(1, 40881698), (2, 20440849), (11, 3716518), (13, 3144746), (22, 1858259), (26, 1572373), (143, 285886), (223, 183326), (286, 142943), (446, 91663), (641, 63778), (1282, 31889), (2453, 16666), (2899, 14102), (4906, 8333), (5798, 7051)]