1687328

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{787}}^1$

素因数の和:864

約数の個数: 24

約数和(自身を含む): 3375792

約数和(自身を除く): 1688464

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 536, 787, 1072, 1574, 2144, 3148, 6296, 12592, 25184, 52729, 105458, 210916, 421832, 843664, 1687328]

約数ペア:

[(1, 1687328), (2, 843664), (4, 421832), (8, 210916), (16, 105458), (32, 52729), (67, 25184), (134, 12592), (268, 6296), (536, 3148), (787, 2144), (1072, 1574)]