1720222

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 3225600

約数和(自身を除く): 1505378

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 223, 266, 406, 446, 551, 1102, 1561, 3122, 3857, 4237, 6467, 7714, 8474, 12934, 29659, 45269, 59318, 90538, 122873, 245746, 860111, 1720222]

約数ペア:

[(1, 1720222), (2, 860111), (7, 245746), (14, 122873), (19, 90538), (29, 59318), (38, 45269), (58, 29659), (133, 12934), (203, 8474), (223, 7714), (266, 6467), (406, 4237), (446, 3857), (551, 3122), (1102, 1561)]