199953929

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{1181}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 244986048

約数和(自身を除く): 45032119

約数列:

[1, 7, 19, 67, 133, 361, 469, 1181, 1273, 2527, 8267, 8911, 22439, 24187, 79127, 157073, 169309, 426341, 553889, 1503413, 2984387, 10523891, 28564847, 199953929]

約数ペア:

[(1, 199953929), (7, 28564847), (19, 10523891), (67, 2984387), (133, 1503413), (361, 553889), (469, 426341), (1181, 169309), (1273, 157073), (2527, 79127), (8267, 24187), (8911, 22439)]