203416265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 273509376

約数和(自身を除く): 70093111

約数列:

[1, 5, 13, 31, 65, 155, 157, 403, 643, 785, 2015, 2041, 3215, 4867, 8359, 10205, 19933, 24335, 41795, 63271, 99665, 100951, 259129, 316355, 504755, 1295645, 1312363, 3129481, 6561815, 15647405, 40683253, 203416265]

約数ペア:

[(1, 203416265), (5, 40683253), (13, 15647405), (31, 6561815), (65, 3129481), (155, 1312363), (157, 1295645), (403, 504755), (643, 316355), (785, 259129), (2015, 100951), (2041, 99665), (3215, 63271), (4867, 41795), (8359, 24335), (10205, 19933)]