39520019

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 56142720

約数和(自身を除く): 16622701

約数列:

[1, 7, 11, 17, 19, 49, 77, 119, 133, 187, 209, 227, 323, 539, 833, 931, 1309, 1463, 1589, 2261, 2497, 3553, 3859, 4313, 9163, 10241, 11123, 15827, 17479, 24871, 27013, 30191, 42449, 47443, 73321, 122353, 174097, 189091, 211337, 297143, 332101, 513247, 806531, 2080001, 2324707, 3592729, 5645717, 39520019]

約数ペア:

[(1, 39520019), (7, 5645717), (11, 3592729), (17, 2324707), (19, 2080001), (49, 806531), (77, 513247), (119, 332101), (133, 297143), (187, 211337), (209, 189091), (227, 174097), (323, 122353), (539, 73321), (833, 47443), (931, 42449), (1309, 30191), (1463, 27013), (1589, 24871), (2261, 17479), (2497, 15827), (3553, 11123), (3859, 10241), (4313, 9163)]