158889409

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 189604800

約数和(自身を除く): 30715391

約数列:

[1, 7, 49, 71, 109, 419, 497, 763, 2933, 3479, 5341, 7739, 20531, 29749, 45671, 54173, 208243, 319697, 379211, 1457701, 2237879, 3242641, 22698487, 158889409]

約数ペア:

[(1, 158889409), (7, 22698487), (49, 3242641), (71, 2237879), (109, 1457701), (419, 379211), (497, 319697), (763, 208243), (2933, 54173), (3479, 45671), (5341, 29749), (7739, 20531)]