127996988

素因数分解:

$2^2\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{4049}}^1$

素因数の和:5189

約数の個数: 24

約数和(自身を含む): 256284000

約数和(自身を除く): 128287012

約数列:

[1, 2, 4, 7, 14, 28, 1129, 2258, 4049, 4516, 7903, 8098, 15806, 16196, 28343, 31612, 56686, 113372, 4571321, 9142642, 18285284, 31999247, 63998494, 127996988]

約数ペア:

[(1, 127996988), (2, 63998494), (4, 31999247), (7, 18285284), (14, 9142642), (28, 4571321), (1129, 113372), (2258, 56686), (4049, 31612), (4516, 28343), (7903, 16196), (8098, 15806)]