397936768

素因数分解:

$2^7\times {\mathrm{101}}^1\times {\mathrm{30781}}^1$

素因数の和:30896

約数の個数: 32

約数和(自身を含む): 800639820

約数和(自身を除く): 402703052

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 404, 808, 1616, 3232, 6464, 12928, 30781, 61562, 123124, 246248, 492496, 984992, 1969984, 3108881, 3939968, 6217762, 12435524, 24871048, 49742096, 99484192, 198968384, 397936768]

約数ペア:

[(1, 397936768), (2, 198968384), (4, 99484192), (8, 49742096), (16, 24871048), (32, 12435524), (64, 6217762), (101, 3939968), (128, 3108881), (202, 1969984), (404, 984992), (808, 492496), (1616, 246248), (3232, 123124), (6464, 61562), (12928, 30781)]