90515815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1627

約数の個数: 32

約数和(自身を含む): 124992000

約数和(自身を除く): 34476185

約数列:

[1, 5, 13, 29, 31, 65, 145, 155, 377, 403, 899, 1549, 1885, 2015, 4495, 7745, 11687, 20137, 44921, 48019, 58435, 100685, 224605, 240095, 583973, 624247, 1392551, 2919865, 3121235, 6962755, 18103163, 90515815]

約数ペア:

[(1, 90515815), (5, 18103163), (13, 6962755), (29, 3121235), (31, 2919865), (65, 1392551), (145, 624247), (155, 583973), (377, 240095), (403, 224605), (899, 100685), (1549, 58435), (1885, 48019), (2015, 44921), (4495, 20137), (7745, 11687)]