87584378

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1993}}^1$

素因数の和:2118

約数の個数: 32

約数和(自身を含む): 155819136

約数和(自身を除く): 68234758

約数列:

[1, 2, 7, 14, 43, 73, 86, 146, 301, 511, 602, 1022, 1993, 3139, 3986, 6278, 13951, 21973, 27902, 43946, 85699, 145489, 171398, 290978, 599893, 1018423, 1199786, 2036846, 6256027, 12512054, 43792189, 87584378]

約数ペア:

[(1, 87584378), (2, 43792189), (7, 12512054), (14, 6256027), (43, 2036846), (73, 1199786), (86, 1018423), (146, 599893), (301, 290978), (511, 171398), (602, 145489), (1022, 85699), (1993, 43946), (3139, 27902), (3986, 21973), (6278, 13951)]