131631084

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 380283904

約数和(自身を除く): 248652820

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 43, 52, 62, 78, 86, 93, 117, 124, 129, 156, 172, 186, 211, 234, 258, 279, 372, 387, 403, 422, 468, 516, 558, 559, 633, 774, 806, 844, 1116, 1118, 1209, 1266, 1333, 1548, 1612, 1677, 1899, 2236, 2418, 2532, 2666, 2743, 3354, 3627, 3798, 3999, 4836, 5031, 5332, 5486, 6541, 6708, 7254, 7596, 7998, 8229, 9073, 10062, 10972, 11997, 13082, 14508, 15996, 16458, 17329, 18146, 19623, 20124, 23994, 24687, 26164, 27219, 32916, 34658, 36292, 39246, 47988, 49374, 51987, 54438, 58869, 69316, 78492, 81657, 85033, 98748, 103974, 108876, 117738, 117949, 155961, 163314, 170066, 207948, 235476, 235898, 255099, 281263, 311922, 326628, 340132, 353847, 471796, 510198, 562526, 623844, 707694, 765297, 843789, 1020396, 1061541, 1125052, 1415388, 1530594, 1687578, 2123082, 2531367, 3061188, 3375156, 3656419, 4246164, 5062734, 7312838, 10125468, 10969257, 14625676, 21938514, 32907771, 43877028, 65815542, 131631084]

約数ペア:

[(1, 131631084), (2, 65815542), (3, 43877028), (4, 32907771), (6, 21938514), (9, 14625676), (12, 10969257), (13, 10125468), (18, 7312838), (26, 5062734), (31, 4246164), (36, 3656419), (39, 3375156), (43, 3061188), (52, 2531367), (62, 2123082), (78, 1687578), (86, 1530594), (93, 1415388), (117, 1125052), (124, 1061541), (129, 1020396), (156, 843789), (172, 765297), (186, 707694), (211, 623844), (234, 562526), (258, 510198), (279, 471796), (372, 353847), (387, 340132), (403, 326628), (422, 311922), (468, 281263), (516, 255099), (558, 235898), (559, 235476), (633, 207948), (774, 170066), (806, 163314), (844, 155961), (1116, 117949), (1118, 117738), (1209, 108876), (1266, 103974), (1333, 98748), (1548, 85033), (1612, 81657), (1677, 78492), (1899, 69316), (2236, 58869), (2418, 54438), (2532, 51987), (2666, 49374), (2743, 47988), (3354, 39246), (3627, 36292), (3798, 34658), (3999, 32916), (4836, 27219), (5031, 26164), (5332, 24687), (5486, 23994), (6541, 20124), (6708, 19623), (7254, 18146), (7596, 17329), (7998, 16458), (8229, 15996), (9073, 14508), (10062, 13082), (10972, 11997)]