68152756

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{78517}}^1$

素因数の和:78559

約数の個数: 24

約数和(自身を含む): 140704256

約数和(自身を除く): 72551500

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 78517, 157034, 314068, 549619, 1099238, 2198476, 2434027, 4868054, 9736108, 17038189, 34076378, 68152756]

約数ペア:

[(1, 68152756), (2, 34076378), (4, 17038189), (7, 9736108), (14, 4868054), (28, 2434027), (31, 2198476), (62, 1099238), (124, 549619), (217, 314068), (434, 157034), (868, 78517)]