205316419

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{1217}}^1$

素因数の和:1555

約数の個数: 24

約数和(自身を含む): 261597168

約数和(自身を除く): 56280749

約数列:

[1, 7, 11, 49, 77, 313, 539, 1217, 2191, 3443, 8519, 13387, 15337, 24101, 59633, 93709, 168707, 380921, 655963, 2666447, 4190131, 18665129, 29330917, 205316419]

約数ペア:

[(1, 205316419), (7, 29330917), (11, 18665129), (49, 4190131), (77, 2666447), (313, 655963), (539, 380921), (1217, 168707), (2191, 93709), (3443, 59633), (8519, 24101), (13387, 15337)]