129144656

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{278329}}^1$

素因数の和:278366

約数の個数: 20

約数和(自身を含む): 258846900

約数和(自身を除く): 129702244

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 278329, 556658, 1113316, 2226632, 4453264, 8071541, 16143082, 32286164, 64572328, 129144656]

約数ペア:

[(1, 129144656), (2, 64572328), (4, 32286164), (8, 16143082), (16, 8071541), (29, 4453264), (58, 2226632), (116, 1113316), (232, 556658), (464, 278329)]