81180616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2111}}^1$

素因数の和:2170

約数の個数: 64

約数和(自身を含む): 182476800

約数和(自身を除く): 101296184

約数列:

[1, 2, 4, 8, 11, 19, 22, 23, 38, 44, 46, 76, 88, 92, 152, 184, 209, 253, 418, 437, 506, 836, 874, 1012, 1672, 1748, 2024, 2111, 3496, 4222, 4807, 8444, 9614, 16888, 19228, 23221, 38456, 40109, 46442, 48553, 80218, 92884, 97106, 160436, 185768, 194212, 320872, 388424, 441199, 534083, 882398, 922507, 1068166, 1764796, 1845014, 2136332, 3529592, 3690028, 4272664, 7380056, 10147577, 20295154, 40590308, 81180616]

約数ペア:

[(1, 81180616), (2, 40590308), (4, 20295154), (8, 10147577), (11, 7380056), (19, 4272664), (22, 3690028), (23, 3529592), (38, 2136332), (44, 1845014), (46, 1764796), (76, 1068166), (88, 922507), (92, 882398), (152, 534083), (184, 441199), (209, 388424), (253, 320872), (418, 194212), (437, 185768), (506, 160436), (836, 97106), (874, 92884), (1012, 80218), (1672, 48553), (1748, 46442), (2024, 40109), (2111, 38456), (3496, 23221), (4222, 19228), (4807, 16888), (8444, 9614)]