31478876

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{5003}}^1$

素因数の和:5042

約数の個数: 36

約数和(自身を含む): 65222136

約数和(自身を除く): 33743260

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 3146, 5003, 6292, 10006, 20012, 55033, 65039, 110066, 130078, 220132, 260156, 605363, 715429, 1210726, 1430858, 2421452, 2861716, 7869719, 15739438, 31478876]

約数ペア:

[(1, 31478876), (2, 15739438), (4, 7869719), (11, 2861716), (13, 2421452), (22, 1430858), (26, 1210726), (44, 715429), (52, 605363), (121, 260156), (143, 220132), (242, 130078), (286, 110066), (484, 65039), (572, 55033), (1573, 20012), (3146, 10006), (5003, 6292)]