388513636

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{227467}}^1$

素因数の和:227539

約数の個数: 24

約数和(自身を含む): 789768896

約数和(自身を除く): 401255260

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 227467, 454934, 909868, 1592269, 3184538, 6369076, 13875487, 27750974, 55501948, 97128409, 194256818, 388513636]

約数ペア:

[(1, 388513636), (2, 194256818), (4, 97128409), (7, 55501948), (14, 27750974), (28, 13875487), (61, 6369076), (122, 3184538), (244, 1592269), (427, 909868), (854, 454934), (1708, 227467)]