81346676

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 157852800

約数和(自身を除く): 76506124

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 173, 269, 346, 437, 538, 692, 874, 1076, 1748, 3287, 3979, 5111, 6187, 6574, 7958, 10222, 12374, 13148, 15916, 20444, 24748, 46537, 75601, 93074, 117553, 151202, 186148, 235106, 302404, 470212, 884203, 1070351, 1768406, 2140702, 3536812, 4281404, 20336669, 40673338, 81346676]

約数ペア:

[(1, 81346676), (2, 40673338), (4, 20336669), (19, 4281404), (23, 3536812), (38, 2140702), (46, 1768406), (76, 1070351), (92, 884203), (173, 470212), (269, 302404), (346, 235106), (437, 186148), (538, 151202), (692, 117553), (874, 93074), (1076, 75601), (1748, 46537), (3287, 24748), (3979, 20444), (5111, 15916), (6187, 13148), (6574, 12374), (7958, 10222)]