398011904

素因数分解:

$2^9\times {\mathrm{127}}^1\times {\mathrm{6121}}^1$

素因数の和:6266

約数の個数: 40

約数和(自身を含む): 801639168

約数和(自身を除く): 403627264

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 512, 1016, 2032, 4064, 6121, 8128, 12242, 16256, 24484, 32512, 48968, 65024, 97936, 195872, 391744, 777367, 783488, 1554734, 1566976, 3109468, 3133952, 6218936, 12437872, 24875744, 49751488, 99502976, 199005952, 398011904]

約数ペア:

[(1, 398011904), (2, 199005952), (4, 99502976), (8, 49751488), (16, 24875744), (32, 12437872), (64, 6218936), (127, 3133952), (128, 3109468), (254, 1566976), (256, 1554734), (508, 783488), (512, 777367), (1016, 391744), (2032, 195872), (4064, 97936), (6121, 65024), (8128, 48968), (12242, 32512), (16256, 24484)]