23172955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 32284224

約数和(自身を除く): 9111269

約数列:

[1, 5, 13, 17, 65, 67, 85, 221, 313, 335, 871, 1105, 1139, 1565, 4069, 4355, 5321, 5695, 14807, 20345, 20971, 26605, 69173, 74035, 104855, 272623, 345865, 356507, 1363115, 1782535, 4634591, 23172955]

約数ペア:

[(1, 23172955), (5, 4634591), (13, 1782535), (17, 1363115), (65, 356507), (67, 345865), (85, 272623), (221, 104855), (313, 74035), (335, 69173), (871, 26605), (1105, 20971), (1139, 20345), (1565, 14807), (4069, 5695), (4355, 5321)]