123520865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 164094336

約数和(自身を除く): 40573471

約数列:

[1, 5, 13, 65, 67, 113, 251, 335, 565, 871, 1255, 1469, 3263, 4355, 7345, 7571, 16315, 16817, 28363, 37855, 84085, 98423, 141815, 218621, 368719, 492115, 1093105, 1843595, 1900321, 9501605, 24704173, 123520865]

約数ペア:

[(1, 123520865), (5, 24704173), (13, 9501605), (65, 1900321), (67, 1843595), (113, 1093105), (251, 492115), (335, 368719), (565, 218621), (871, 141815), (1255, 98423), (1469, 84085), (3263, 37855), (4355, 28363), (7345, 16817), (7571, 16315)]