261314096

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{379817}}^1$

素因数の和:379868

約数の個数: 20

約数和(自身を含む): 518071752

約数和(自身を除く): 256757656

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 379817, 759634, 1519268, 3038536, 6077072, 16332131, 32664262, 65328524, 130657048, 261314096]

約数ペア:

[(1, 261314096), (2, 130657048), (4, 65328524), (8, 32664262), (16, 16332131), (43, 6077072), (86, 3038536), (172, 1519268), (344, 759634), (688, 379817)]