81718666

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{4211}}^1$

素因数の和:4557

約数の個数: 16

約数和(自身を含む): 126966528

約数和(自身を除く): 45247862

約数列:

[1, 2, 31, 62, 313, 626, 4211, 8422, 9703, 19406, 130541, 261082, 1318043, 2636086, 40859333, 81718666]

約数ペア:

[(1, 81718666), (2, 40859333), (31, 2636086), (62, 1318043), (313, 261082), (626, 130541), (4211, 19406), (8422, 9703)]