81235704

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{307711}}^1$

素因数の和:307731

約数の個数: 32

約数和(自身を含む): 221552640

約数和(自身を除く): 140316936

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 307711, 615422, 923133, 1230844, 1846266, 2461688, 3384821, 3692532, 6769642, 7385064, 10154463, 13539284, 20308926, 27078568, 40617852, 81235704]

約数ペア:

[(1, 81235704), (2, 40617852), (3, 27078568), (4, 20308926), (6, 13539284), (8, 10154463), (11, 7385064), (12, 6769642), (22, 3692532), (24, 3384821), (33, 2461688), (44, 1846266), (66, 1230844), (88, 923133), (132, 615422), (264, 307711)]