397350416

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{181273}}^1$

素因数の和:181418

約数の個数: 20

約数和(自身を含む): 775490172

約数和(自身を除く): 378139756

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 181273, 362546, 725092, 1450184, 2900368, 24834401, 49668802, 99337604, 198675208, 397350416]

約数ペア:

[(1, 397350416), (2, 198675208), (4, 99337604), (8, 49668802), (16, 24834401), (137, 2900368), (274, 1450184), (548, 725092), (1096, 362546), (2192, 181273)]