2009280178

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{1181}}^1$

素因数の和:1570

約数の個数: 32

約数和(自身を含む): 3140451072

約数和(自身を除く): 1131170894

約数列:

[1, 2, 43, 73, 86, 146, 271, 542, 1181, 2362, 3139, 6278, 11653, 19783, 23306, 39566, 50783, 86213, 101566, 172426, 320051, 640102, 850669, 1701338, 3707159, 7414318, 13762193, 23363723, 27524386, 46727446, 1004640089, 2009280178]

約数ペア:

[(1, 2009280178), (2, 1004640089), (43, 46727446), (73, 27524386), (86, 23363723), (146, 13762193), (271, 7414318), (542, 3707159), (1181, 1701338), (2362, 850669), (3139, 640102), (6278, 320051), (11653, 172426), (19783, 101566), (23306, 86213), (39566, 50783)]