161858452

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1979}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 340623360

約数和(自身を除く): 178764908

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 127, 161, 254, 322, 508, 644, 889, 1778, 1979, 2921, 3556, 3958, 5842, 7916, 11684, 13853, 20447, 27706, 40894, 45517, 55412, 81788, 91034, 182068, 251333, 318619, 502666, 637238, 1005332, 1274476, 1759331, 3518662, 5780659, 7037324, 11561318, 23122636, 40464613, 80929226, 161858452]

約数ペア:

[(1, 161858452), (2, 80929226), (4, 40464613), (7, 23122636), (14, 11561318), (23, 7037324), (28, 5780659), (46, 3518662), (92, 1759331), (127, 1274476), (161, 1005332), (254, 637238), (322, 502666), (508, 318619), (644, 251333), (889, 182068), (1778, 91034), (1979, 81788), (2921, 55412), (3556, 45517), (3958, 40894), (5842, 27706), (7916, 20447), (11684, 13853)]