39899195

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 56515968

約数和(自身を除く): 16616773

約数列:

[1, 5, 7, 35, 53, 137, 157, 265, 371, 685, 785, 959, 1099, 1855, 4795, 5495, 7261, 8321, 21509, 36305, 41605, 50827, 58247, 107545, 150563, 254135, 291235, 752815, 1139977, 5699885, 7979839, 39899195]

約数ペア:

[(1, 39899195), (5, 7979839), (7, 5699885), (35, 1139977), (53, 752815), (137, 291235), (157, 254135), (265, 150563), (371, 107545), (685, 58247), (785, 50827), (959, 41605), (1099, 36305), (1855, 21509), (4795, 8321), (5495, 7261)]