1980943105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{6563}}^1$

素因数の和:6705

約数の個数: 32

約数和(自身を含む): 2603124864

約数和(自身を除く): 622181759

約数列:

[1, 5, 17, 53, 67, 85, 265, 335, 901, 1139, 3551, 4505, 5695, 6563, 17755, 32815, 60367, 111571, 301835, 347839, 439721, 557855, 1739195, 2198605, 5913263, 7475257, 23305213, 29566315, 37376285, 116526065, 396188621, 1980943105]

約数ペア:

[(1, 1980943105), (5, 396188621), (17, 116526065), (53, 37376285), (67, 29566315), (85, 23305213), (265, 7475257), (335, 5913263), (901, 2198605), (1139, 1739195), (3551, 557855), (4505, 439721), (5695, 347839), (6563, 301835), (17755, 111571), (32815, 60367)]