31556668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1283}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 66439296

約数和(自身を除く): 34882628

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 172, 286, 473, 559, 572, 946, 1118, 1283, 1892, 2236, 2566, 5132, 6149, 12298, 14113, 16679, 24596, 28226, 33358, 55169, 56452, 66716, 110338, 183469, 220676, 366938, 606859, 717197, 733876, 1213718, 1434394, 2427436, 2868788, 7889167, 15778334, 31556668]

約数ペア:

[(1, 31556668), (2, 15778334), (4, 7889167), (11, 2868788), (13, 2427436), (22, 1434394), (26, 1213718), (43, 733876), (44, 717197), (52, 606859), (86, 366938), (143, 220676), (172, 183469), (286, 110338), (473, 66716), (559, 56452), (572, 55169), (946, 33358), (1118, 28226), (1283, 24596), (1892, 16679), (2236, 14113), (2566, 12298), (5132, 6149)]