199412507

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2999}}^1$

素因数の和:3095

約数の個数: 24

約数和(自身を含む): 246240000

約数和(自身を除く): 46827493

約数列:

[1, 7, 23, 49, 59, 161, 413, 1127, 1357, 2891, 2999, 9499, 20993, 66493, 68977, 146951, 176941, 482839, 1238587, 3379873, 4069643, 8670109, 28487501, 199412507]

約数ペア:

[(1, 199412507), (7, 28487501), (23, 8670109), (49, 4069643), (59, 3379873), (161, 1238587), (413, 482839), (1127, 176941), (1357, 146951), (2891, 68977), (2999, 66493), (9499, 20993)]