128093212

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{9973}}^1$

素因数の和:10022

約数の個数: 36

約数和(自身を含む): 255533880

約数和(自身を除く): 127440668

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 3211, 6422, 9973, 12844, 19946, 39892, 129649, 189487, 259298, 378974, 518596, 757948, 1685437, 2463331, 3370874, 4926662, 6741748, 9853324, 32023303, 64046606, 128093212]

約数ペア:

[(1, 128093212), (2, 64046606), (4, 32023303), (13, 9853324), (19, 6741748), (26, 4926662), (38, 3370874), (52, 2463331), (76, 1685437), (169, 757948), (247, 518596), (338, 378974), (494, 259298), (676, 189487), (988, 129649), (3211, 39892), (6422, 19946), (9973, 12844)]