209748128

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{159869}}^1$

素因数の和:159920

約数の個数: 24

約数和(自身を含む): 423016020

約数和(自身を除く): 213267892

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 159869, 319738, 639476, 1278952, 2557904, 5115808, 6554629, 13109258, 26218516, 52437032, 104874064, 209748128]

約数ペア:

[(1, 209748128), (2, 104874064), (4, 52437032), (8, 26218516), (16, 13109258), (32, 6554629), (41, 5115808), (82, 2557904), (164, 1278952), (328, 639476), (656, 319738), (1312, 159869)]