381686942

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67651}}^1$

素因数の和:67704

約数の個数: 32

約数和(自身を含む): 727394304

約数和(自身を除く): 345707362

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 67651, 135302, 473557, 879463, 947114, 1758926, 2097181, 4194362, 6156241, 12312482, 14680267, 27263353, 29360534, 54526706, 190843471, 381686942]

約数ペア:

[(1, 381686942), (2, 190843471), (7, 54526706), (13, 29360534), (14, 27263353), (26, 14680267), (31, 12312482), (62, 6156241), (91, 4194362), (182, 2097181), (217, 1758926), (403, 947114), (434, 879463), (806, 473557), (2821, 135302), (5642, 67651)]