260351728

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{178813}}^1$

素因数の和:178841

約数の個数: 40

約数和(自身を含む): 620842208

約数和(自身を除く): 360490480

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 178813, 357626, 715252, 1251691, 1430504, 2324569, 2503382, 2861008, 4649138, 5006764, 9298276, 10013528, 16271983, 18596552, 20027056, 32543966, 37193104, 65087932, 130175864, 260351728]

約数ペア:

[(1, 260351728), (2, 130175864), (4, 65087932), (7, 37193104), (8, 32543966), (13, 20027056), (14, 18596552), (16, 16271983), (26, 10013528), (28, 9298276), (52, 5006764), (56, 4649138), (91, 2861008), (104, 2503382), (112, 2324569), (182, 1430504), (208, 1251691), (364, 715252), (728, 357626), (1456, 178813)]