1212681728

素因数分解:

$2^9\times {\mathrm{409}}^1\times {\mathrm{5791}}^1$

素因数の和:6218

約数の個数: 40

約数和(自身を含む): 2429338560

約数和(自身を除く): 1216656832

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 409, 512, 818, 1636, 3272, 5791, 6544, 11582, 13088, 23164, 26176, 46328, 52352, 92656, 104704, 185312, 209408, 370624, 741248, 1482496, 2368519, 2964992, 4737038, 9474076, 18948152, 37896304, 75792608, 151585216, 303170432, 606340864, 1212681728]

約数ペア:

[(1, 1212681728), (2, 606340864), (4, 303170432), (8, 151585216), (16, 75792608), (32, 37896304), (64, 18948152), (128, 9474076), (256, 4737038), (409, 2964992), (512, 2368519), (818, 1482496), (1636, 741248), (3272, 370624), (5791, 209408), (6544, 185312), (11582, 104704), (13088, 92656), (23164, 52352), (26176, 46328)]