31957212

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 96526080

約数和(自身を除く): 64568868

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 23, 28, 34, 42, 46, 49, 51, 68, 69, 84, 92, 98, 102, 119, 138, 139, 147, 161, 196, 204, 238, 276, 278, 294, 322, 357, 391, 417, 476, 483, 556, 588, 644, 714, 782, 833, 834, 966, 973, 1127, 1173, 1428, 1564, 1666, 1668, 1932, 1946, 2254, 2346, 2363, 2499, 2737, 2919, 3197, 3332, 3381, 3892, 4508, 4692, 4726, 4998, 5474, 5838, 6394, 6762, 6811, 7089, 8211, 9452, 9591, 9996, 10948, 11676, 12788, 13524, 13622, 14178, 16422, 16541, 19159, 19182, 20433, 22379, 27244, 28356, 32844, 33082, 38318, 38364, 40866, 44758, 49623, 54349, 57477, 66164, 67137, 76636, 81732, 89516, 99246, 108698, 114954, 115787, 134274, 156653, 163047, 198492, 217396, 229908, 231574, 268548, 313306, 326094, 347361, 380443, 463148, 469959, 626612, 652188, 694722, 760886, 939918, 1141329, 1389444, 1521772, 1879836, 2282658, 2663101, 4565316, 5326202, 7989303, 10652404, 15978606, 31957212]

約数ペア:

[(1, 31957212), (2, 15978606), (3, 10652404), (4, 7989303), (6, 5326202), (7, 4565316), (12, 2663101), (14, 2282658), (17, 1879836), (21, 1521772), (23, 1389444), (28, 1141329), (34, 939918), (42, 760886), (46, 694722), (49, 652188), (51, 626612), (68, 469959), (69, 463148), (84, 380443), (92, 347361), (98, 326094), (102, 313306), (119, 268548), (138, 231574), (139, 229908), (147, 217396), (161, 198492), (196, 163047), (204, 156653), (238, 134274), (276, 115787), (278, 114954), (294, 108698), (322, 99246), (357, 89516), (391, 81732), (417, 76636), (476, 67137), (483, 66164), (556, 57477), (588, 54349), (644, 49623), (714, 44758), (782, 40866), (833, 38364), (834, 38318), (966, 33082), (973, 32844), (1127, 28356), (1173, 27244), (1428, 22379), (1564, 20433), (1666, 19182), (1668, 19159), (1932, 16541), (1946, 16422), (2254, 14178), (2346, 13622), (2363, 13524), (2499, 12788), (2737, 11676), (2919, 10948), (3197, 9996), (3332, 9591), (3381, 9452), (3892, 8211), (4508, 7089), (4692, 6811), (4726, 6762), (4998, 6394), (5474, 5838)]