13289980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 30701664

約数和(自身を除く): 17411684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 193, 220, 313, 386, 626, 772, 965, 1252, 1565, 1930, 2123, 3130, 3443, 3860, 4246, 6260, 6886, 8492, 10615, 13772, 17215, 21230, 34430, 42460, 60409, 68860, 120818, 241636, 302045, 604090, 664499, 1208180, 1328998, 2657996, 3322495, 6644990, 13289980]

約数ペア:

[(1, 13289980), (2, 6644990), (4, 3322495), (5, 2657996), (10, 1328998), (11, 1208180), (20, 664499), (22, 604090), (44, 302045), (55, 241636), (110, 120818), (193, 68860), (220, 60409), (313, 42460), (386, 34430), (626, 21230), (772, 17215), (965, 13772), (1252, 10615), (1565, 8492), (1930, 6886), (2123, 6260), (3130, 4246), (3443, 3860)]