2261456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:243

約数の個数: 40

約数和(自身を含む): 4746720

約数和(自身を除く): 2485264

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 173, 304, 344, 346, 688, 692, 817, 1384, 1634, 2768, 3268, 3287, 6536, 6574, 7439, 13072, 13148, 14878, 26296, 29756, 52592, 59512, 119024, 141341, 282682, 565364, 1130728, 2261456]

約数ペア:

[(1, 2261456), (2, 1130728), (4, 565364), (8, 282682), (16, 141341), (19, 119024), (38, 59512), (43, 52592), (76, 29756), (86, 26296), (152, 14878), (172, 13148), (173, 13072), (304, 7439), (344, 6574), (346, 6536), (688, 3287), (692, 3268), (817, 2768), (1384, 1634)]