81476628

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{373}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 193522560

約数和(自身を除く): 112045932

約数列:

[1, 2, 3, 4, 6, 12, 109, 167, 218, 327, 334, 373, 436, 501, 654, 668, 746, 1002, 1119, 1308, 1492, 2004, 2238, 4476, 18203, 36406, 40657, 54609, 62291, 72812, 81314, 109218, 121971, 124582, 162628, 186873, 218436, 243942, 249164, 373746, 487884, 747492, 6789719, 13579438, 20369157, 27158876, 40738314, 81476628]

約数ペア:

[(1, 81476628), (2, 40738314), (3, 27158876), (4, 20369157), (6, 13579438), (12, 6789719), (109, 747492), (167, 487884), (218, 373746), (327, 249164), (334, 243942), (373, 218436), (436, 186873), (501, 162628), (654, 124582), (668, 121971), (746, 109218), (1002, 81314), (1119, 72812), (1308, 62291), (1492, 54609), (2004, 40657), (2238, 36406), (4476, 18203)]