398210314

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{20921}}^1$

素因数の和:21261

約数の個数: 16

約数和(自身を含む): 618621696

約数和(自身を除く): 220411382

約数列:

[1, 2, 31, 62, 307, 614, 9517, 19034, 20921, 41842, 648551, 1297102, 6422747, 12845494, 199105157, 398210314]

約数ペア:

[(1, 398210314), (2, 199105157), (31, 12845494), (62, 6422747), (307, 1297102), (614, 648551), (9517, 41842), (19034, 20921)]