123857138

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{54371}}^1$

素因数の和:54457

約数の個数: 16

約数和(自身を含む): 199653984

約数和(自身を除く): 75796846

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 54371, 108742, 924307, 1848614, 3642857, 7285714, 61928569, 123857138]

約数ペア:

[(1, 123857138), (2, 61928569), (17, 7285714), (34, 3642857), (67, 1848614), (134, 924307), (1139, 108742), (2278, 54371)]