11987908

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1091}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 21831264

約数和(自身を除く): 9843356

約数列:

[1, 2, 4, 41, 67, 82, 134, 164, 268, 1091, 2182, 2747, 4364, 5494, 10988, 44731, 73097, 89462, 146194, 178924, 292388, 2996977, 5993954, 11987908]

約数ペア:

[(1, 11987908), (2, 5993954), (4, 2996977), (41, 292388), (67, 178924), (82, 146194), (134, 89462), (164, 73097), (268, 44731), (1091, 10988), (2182, 5494), (2747, 4364)]