399192208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{804823}}^1$

素因数の和:804862

約数の個数: 20

約数和(自身を含む): 798385408

約数和(自身を除く): 399193200

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 804823, 1609646, 3219292, 6438584, 12877168, 24949513, 49899026, 99798052, 199596104, 399192208]

約数ペア:

[(1, 399192208), (2, 199596104), (4, 99798052), (8, 49899026), (16, 24949513), (31, 12877168), (62, 6438584), (124, 3219292), (248, 1609646), (496, 804823)]