128962404

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 334251008

約数和(自身を除く): 205288604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 127, 134, 201, 254, 268, 381, 402, 421, 508, 603, 762, 804, 842, 1143, 1206, 1263, 1524, 1684, 2286, 2412, 2526, 3789, 4572, 5052, 7578, 8509, 15156, 17018, 25527, 28207, 34036, 51054, 53467, 56414, 76581, 84621, 102108, 106934, 112828, 153162, 160401, 169242, 213868, 253863, 306324, 320802, 338484, 481203, 507726, 641604, 962406, 1015452, 1924812, 3582289, 7164578, 10746867, 14329156, 21493734, 32240601, 42987468, 64481202, 128962404]

約数ペア:

[(1, 128962404), (2, 64481202), (3, 42987468), (4, 32240601), (6, 21493734), (9, 14329156), (12, 10746867), (18, 7164578), (36, 3582289), (67, 1924812), (127, 1015452), (134, 962406), (201, 641604), (254, 507726), (268, 481203), (381, 338484), (402, 320802), (421, 306324), (508, 253863), (603, 213868), (762, 169242), (804, 160401), (842, 153162), (1143, 112828), (1206, 106934), (1263, 102108), (1524, 84621), (1684, 76581), (2286, 56414), (2412, 53467), (2526, 51054), (3789, 34036), (4572, 28207), (5052, 25527), (7578, 17018), (8509, 15156)]