991922398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{367651}}^1$

素因数の和:367743

約数の個数: 16

約数和(自身を含む): 1588256640

約数和(自身を除く): 596334242

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 367651, 735302, 6985369, 13970738, 26103221, 52206442, 495961199, 991922398]

約数ペア:

[(1, 991922398), (2, 495961199), (19, 52206442), (38, 26103221), (71, 13970738), (142, 6985369), (1349, 735302), (2698, 367651)]