28398835

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 34670592

約数和(自身を除く): 6271757

約数列:

[1, 5, 131, 191, 227, 655, 955, 1135, 25021, 29737, 43357, 125105, 148685, 216785, 5679767, 28398835]

約数ペア:

[(1, 28398835), (5, 5679767), (131, 216785), (191, 148685), (227, 125105), (655, 43357), (955, 29737), (1135, 25021)]