28190113

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 33105024

約数和(自身を除く): 4914911

約数列:

[1, 7, 61, 107, 427, 617, 749, 4319, 6527, 37637, 45689, 66019, 263459, 462133, 4027159, 28190113]

約数ペア:

[(1, 28190113), (7, 4027159), (61, 462133), (107, 263459), (427, 66019), (617, 45689), (749, 37637), (4319, 6527)]