397564976

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{256163}}^1$

素因数の和:256268

約数の個数: 20

約数和(自身を含む): 778226232

約数和(自身を除く): 380661256

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 256163, 512326, 1024652, 2049304, 4098608, 24847811, 49695622, 99391244, 198782488, 397564976]

約数ペア:

[(1, 397564976), (2, 198782488), (4, 99391244), (8, 49695622), (16, 24847811), (97, 4098608), (194, 2049304), (388, 1024652), (776, 512326), (1552, 256163)]