71972164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{18379}}^1$

素因数の和:18483

約数の個数: 24

約数和(自身を含む): 138952800

約数和(自身を除く): 66980636

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 18379, 36758, 73516, 202169, 404338, 808676, 1635731, 3271462, 6542924, 17993041, 35986082, 71972164]

約数ペア:

[(1, 71972164), (2, 35986082), (4, 17993041), (11, 6542924), (22, 3271462), (44, 1635731), (89, 808676), (178, 404338), (356, 202169), (979, 73516), (1958, 36758), (3916, 18379)]