289401868

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1531}}^1$

素因数の和:1742

約数の個数: 48

約数和(自身を含む): 596425984

約数和(自身を除く): 307024116

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 157, 172, 301, 314, 602, 628, 1099, 1204, 1531, 2198, 3062, 4396, 6124, 6751, 10717, 13502, 21434, 27004, 42868, 47257, 65833, 94514, 131666, 189028, 240367, 263332, 460831, 480734, 921662, 961468, 1682569, 1843324, 3365138, 6730276, 10335781, 20671562, 41343124, 72350467, 144700934, 289401868]

約数ペア:

[(1, 289401868), (2, 144700934), (4, 72350467), (7, 41343124), (14, 20671562), (28, 10335781), (43, 6730276), (86, 3365138), (157, 1843324), (172, 1682569), (301, 961468), (314, 921662), (602, 480734), (628, 460831), (1099, 263332), (1204, 240367), (1531, 189028), (2198, 131666), (3062, 94514), (4396, 65833), (6124, 47257), (6751, 42868), (10717, 27004), (13502, 21434)]