1890662015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{1109}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 2506291200

約数和(自身を除く): 615629185

約数列:

[1, 5, 11, 55, 139, 223, 695, 1109, 1115, 1529, 2453, 5545, 7645, 12199, 12265, 30997, 60995, 154151, 154985, 247307, 340967, 770755, 1236535, 1695661, 1704835, 2720377, 8478305, 13601885, 34375673, 171878365, 378132403, 1890662015]

約数ペア:

[(1, 1890662015), (5, 378132403), (11, 171878365), (55, 34375673), (139, 13601885), (223, 8478305), (695, 2720377), (1109, 1704835), (1115, 1695661), (1529, 1236535), (2453, 770755), (5545, 340967), (7645, 247307), (12199, 154985), (12265, 154151), (30997, 60995)]