71581276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{15467}}^1$

素因数の和:15573

約数の個数: 24

約数和(自身を含む): 136427760

約数和(自身を除く): 64846484

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 15467, 30934, 61868, 201071, 402142, 804284, 1376563, 2753126, 5506252, 17895319, 35790638, 71581276]

約数ペア:

[(1, 71581276), (2, 35790638), (4, 17895319), (13, 5506252), (26, 2753126), (52, 1376563), (89, 804284), (178, 402142), (356, 201071), (1157, 61868), (2314, 30934), (4628, 15467)]