28872490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{32441}}^1$

素因数の和:32537

約数の個数: 16

約数和(自身を含む): 52556040

約数和(自身を除く): 23683550

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 32441, 64882, 162205, 324410, 2887249, 5774498, 14436245, 28872490]

約数ペア:

[(1, 28872490), (2, 14436245), (5, 5774498), (10, 2887249), (89, 324410), (178, 162205), (445, 64882), (890, 32441)]