216940418

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{81373}}^1$

素因数の和:81449

約数の個数: 16

約数和(自身を含む): 343723776

約数和(自身を除く): 126783358

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 81373, 162746, 2522563, 3499039, 5045126, 6998078, 108470209, 216940418]

約数ペア:

[(1, 216940418), (2, 108470209), (31, 6998078), (43, 5045126), (62, 3499039), (86, 2522563), (1333, 162746), (2666, 81373)]