1280450142

素因数分解:

$2^1\times 3^2\times {\mathrm{431}}^1\times {\mathrm{165049}}^1$

素因数の和:165488

約数の個数: 24

約数和(自身を含む): 2780762400

約数和(自身を除く): 1500312258

約数列:

[1, 2, 3, 6, 9, 18, 431, 862, 1293, 2586, 3879, 7758, 165049, 330098, 495147, 990294, 1485441, 2970882, 71136119, 142272238, 213408357, 426816714, 640225071, 1280450142]

約数ペア:

[(1, 1280450142), (2, 640225071), (3, 426816714), (6, 213408357), (9, 142272238), (18, 71136119), (431, 2970882), (862, 1485441), (1293, 990294), (2586, 495147), (3879, 330098), (7758, 165049)]