678742654

素因数分解:

$2^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1\times {\mathrm{5261}}^1$

素因数の和:5771

約数の個数: 16

約数和(自身を含む): 1026342576

約数和(自身を除く): 347599922

約数列:

[1, 2, 251, 257, 502, 514, 5261, 10522, 64507, 129014, 1320511, 1352077, 2641022, 2704154, 339371327, 678742654]

約数ペア:

[(1, 678742654), (2, 339371327), (251, 2704154), (257, 2641022), (502, 1352077), (514, 1320511), (5261, 129014), (10522, 64507)]