247565864

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{340063}}^1$

素因数の和:340089

約数の個数: 32

約数和(自身を含む): 571307520

約数和(自身を除く): 323741656

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 340063, 680126, 1360252, 2380441, 2720504, 4420819, 4760882, 8841638, 9521764, 17683276, 19043528, 30945733, 35366552, 61891466, 123782932, 247565864]

約数ペア:

[(1, 247565864), (2, 123782932), (4, 61891466), (7, 35366552), (8, 30945733), (13, 19043528), (14, 17683276), (26, 9521764), (28, 8841638), (52, 4760882), (56, 4420819), (91, 2720504), (104, 2380441), (182, 1360252), (364, 680126), (728, 340063)]