199972394

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{277}}^1\times {\mathrm{1249}}^1$

素因数の和:1562

約数の個数: 24

約数和(自身を含む): 320047500

約数和(自身を除く): 120075106

約数列:

[1, 2, 17, 34, 277, 289, 554, 578, 1249, 2498, 4709, 9418, 21233, 42466, 80053, 160106, 345973, 360961, 691946, 721922, 5881541, 11763082, 99986197, 199972394]

約数ペア:

[(1, 199972394), (2, 99986197), (17, 11763082), (34, 5881541), (277, 721922), (289, 691946), (554, 360961), (578, 345973), (1249, 160106), (2498, 80053), (4709, 42466), (9418, 21233)]