1778728

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 3980160

約数和(自身を除く): 2201432

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 1381, 2762, 5524, 9667, 11048, 19334, 31763, 38668, 63526, 77336, 127052, 222341, 254104, 444682, 889364, 1778728]

約数ペア:

[(1, 1778728), (2, 889364), (4, 444682), (7, 254104), (8, 222341), (14, 127052), (23, 77336), (28, 63526), (46, 38668), (56, 31763), (92, 19334), (161, 11048), (184, 9667), (322, 5524), (644, 2762), (1288, 1381)]