81429972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:453

約数の個数: 96

約数和(自身を含む): 218641920

約数和(自身を除く): 137211948

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 83, 114, 156, 166, 228, 247, 249, 331, 332, 494, 498, 662, 741, 988, 993, 996, 1079, 1324, 1482, 1577, 1986, 2158, 2964, 3154, 3237, 3972, 4303, 4316, 4731, 6289, 6308, 6474, 8606, 9462, 12578, 12909, 12948, 17212, 18867, 18924, 20501, 25156, 25818, 27473, 37734, 41002, 51636, 54946, 61503, 75468, 81757, 82004, 82419, 109892, 123006, 163514, 164838, 245271, 246012, 327028, 329676, 357149, 490542, 521987, 714298, 981084, 1043974, 1071447, 1428596, 1565961, 2087948, 2142894, 3131922, 4285788, 6263844, 6785831, 13571662, 20357493, 27143324, 40714986, 81429972]

約数ペア:

[(1, 81429972), (2, 40714986), (3, 27143324), (4, 20357493), (6, 13571662), (12, 6785831), (13, 6263844), (19, 4285788), (26, 3131922), (38, 2142894), (39, 2087948), (52, 1565961), (57, 1428596), (76, 1071447), (78, 1043974), (83, 981084), (114, 714298), (156, 521987), (166, 490542), (228, 357149), (247, 329676), (249, 327028), (331, 246012), (332, 245271), (494, 164838), (498, 163514), (662, 123006), (741, 109892), (988, 82419), (993, 82004), (996, 81757), (1079, 75468), (1324, 61503), (1482, 54946), (1577, 51636), (1986, 41002), (2158, 37734), (2964, 27473), (3154, 25818), (3237, 25156), (3972, 20501), (4303, 18924), (4316, 18867), (4731, 17212), (6289, 12948), (6308, 12909), (6474, 12578), (8606, 9462)]