27920619218

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{198811}}^1$

素因数の和:198950

約数の個数: 32

約数和(自身を含む): 45348221952

約数和(自身を除く): 17427602734

約数列:

[1, 2, 23, 43, 46, 71, 86, 142, 989, 1633, 1978, 3053, 3266, 6106, 70219, 140438, 198811, 397622, 4572653, 8548873, 9145306, 14115581, 17097746, 28231162, 196624079, 324658363, 393248158, 606969983, 649316726, 1213939966, 13960309609, 27920619218]

約数ペア:

[(1, 27920619218), (2, 13960309609), (23, 1213939966), (43, 649316726), (46, 606969983), (71, 393248158), (86, 324658363), (142, 196624079), (989, 28231162), (1633, 17097746), (1978, 14115581), (3053, 9145306), (3266, 8548873), (6106, 4572653), (70219, 397622), (140438, 198811)]