142720844

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{31271}}^1$

素因数の和:31445

約数の個数: 24

約数和(自身を含む): 287202048

約数和(自身を除く): 144481204

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 31271, 62542, 125084, 218897, 437794, 875588, 5097173, 10194346, 20388692, 35680211, 71360422, 142720844]

約数ペア:

[(1, 142720844), (2, 71360422), (4, 35680211), (7, 20388692), (14, 10194346), (28, 5097173), (163, 875588), (326, 437794), (652, 218897), (1141, 125084), (2282, 62542), (4564, 31271)]