2045554555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1\times {\mathrm{1427}}^1$

素因数の和:1899

約数の個数: 32

約数和(自身を含む): 2726680320

約数和(自身を除く): 681125765

約数列:

[1, 5, 11, 55, 67, 335, 389, 737, 1427, 1945, 3685, 4279, 7135, 15697, 21395, 26063, 78485, 95609, 130315, 286693, 478045, 555103, 1051699, 1433465, 2775515, 5258495, 6106133, 30530665, 37191901, 185959505, 409110911, 2045554555]

約数ペア:

[(1, 2045554555), (5, 409110911), (11, 185959505), (55, 37191901), (67, 30530665), (335, 6106133), (389, 5258495), (737, 2775515), (1427, 1433465), (1945, 1051699), (3685, 555103), (4279, 478045), (7135, 286693), (15697, 130315), (21395, 95609), (26063, 78485)]