72157021168

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{23366911}}^1$

素因数の和:23367112

約数の個数: 20

約数和(自身を含む): 140528608768

約数和(自身を除く): 68371587600

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 23366911, 46733822, 93467644, 186935288, 373870576, 4509813823, 9019627646, 18039255292, 36078510584, 72157021168]

約数ペア:

[(1, 72157021168), (2, 36078510584), (4, 18039255292), (8, 9019627646), (16, 4509813823), (193, 373870576), (386, 186935288), (772, 93467644), (1544, 46733822), (3088, 23366911)]