1289017992

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{409993}}^1$

素因数の和:410133

約数の個数: 32

約数和(自身を含む): 3247152480

約数和(自身を除く): 1958134488

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 262, 393, 524, 786, 1048, 1572, 3144, 409993, 819986, 1229979, 1639972, 2459958, 3279944, 4919916, 9839832, 53709083, 107418166, 161127249, 214836332, 322254498, 429672664, 644508996, 1289017992]

約数ペア:

[(1, 1289017992), (2, 644508996), (3, 429672664), (4, 322254498), (6, 214836332), (8, 161127249), (12, 107418166), (24, 53709083), (131, 9839832), (262, 4919916), (393, 3279944), (524, 2459958), (786, 1639972), (1048, 1229979), (1572, 819986), (3144, 409993)]