47390785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 65479680

約数和(自身を除く): 18088895

約数列:

[1, 5, 13, 29, 31, 65, 145, 155, 377, 403, 811, 899, 1885, 2015, 4055, 4495, 10543, 11687, 23519, 25141, 52715, 58435, 117595, 125705, 305747, 326833, 729089, 1528735, 1634165, 3645445, 9478157, 47390785]

約数ペア:

[(1, 47390785), (5, 9478157), (13, 3645445), (29, 1634165), (31, 1528735), (65, 729089), (145, 326833), (155, 305747), (377, 125705), (403, 117595), (811, 58435), (899, 52715), (1885, 25141), (2015, 23519), (4055, 11687), (4495, 10543)]