397295638

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{19577}}^1$

素因数の和:19791

約数の個数: 16

約数和(自身を含む): 608484240

約数和(自身を除く): 211188602

約数列:

[1, 2, 73, 139, 146, 278, 10147, 19577, 20294, 39154, 1429121, 2721203, 2858242, 5442406, 198647819, 397295638]

約数ペア:

[(1, 397295638), (2, 198647819), (73, 5442406), (139, 2858242), (146, 2721203), (278, 1429121), (10147, 39154), (19577, 20294)]