30551248

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20983}}^1$

素因数の和:21011

約数の個数: 40

約数和(自身を含む): 72856448

約数和(自身を除く): 42305200

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 20983, 41966, 83932, 146881, 167864, 272779, 293762, 335728, 545558, 587524, 1091116, 1175048, 1909453, 2182232, 2350096, 3818906, 4364464, 7637812, 15275624, 30551248]

約数ペア:

[(1, 30551248), (2, 15275624), (4, 7637812), (7, 4364464), (8, 3818906), (13, 2350096), (14, 2182232), (16, 1909453), (26, 1175048), (28, 1091116), (52, 587524), (56, 545558), (91, 335728), (104, 293762), (112, 272779), (182, 167864), (208, 146881), (364, 83932), (728, 41966), (1456, 20983)]