81138808

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{1373}}^1$

素因数の和:1551

約数の個数: 32

約数和(自身を含む): 155811600

約数和(自身を除く): 74672792

約数列:

[1, 2, 4, 8, 83, 89, 166, 178, 332, 356, 664, 712, 1373, 2746, 5492, 7387, 10984, 14774, 29548, 59096, 113959, 122197, 227918, 244394, 455836, 488788, 911672, 977576, 10142351, 20284702, 40569404, 81138808]

約数ペア:

[(1, 81138808), (2, 40569404), (4, 20284702), (8, 10142351), (83, 977576), (89, 911672), (166, 488788), (178, 455836), (332, 244394), (356, 227918), (664, 122197), (712, 113959), (1373, 59096), (2746, 29548), (5492, 14774), (7387, 10984)]