390809312

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{393961}}^1$

素因数の和:394002

約数の個数: 24

約数和(自身を含む): 794227392

約数和(自身を除く): 403418080

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 393961, 787922, 1575844, 3151688, 6303376, 12212791, 12606752, 24425582, 48851164, 97702328, 195404656, 390809312]

約数ペア:

[(1, 390809312), (2, 195404656), (4, 97702328), (8, 48851164), (16, 24425582), (31, 12606752), (32, 12212791), (62, 6303376), (124, 3151688), (248, 1575844), (496, 787922), (992, 393961)]