28522975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:236

約数の個数: 36

約数和(自身を含む): 39438696

約数和(自身を除く): 10915721

約数列:

[1, 5, 13, 25, 43, 65, 157, 169, 215, 325, 559, 785, 845, 1075, 2041, 2795, 3925, 4225, 6751, 7267, 10205, 13975, 26533, 33755, 36335, 51025, 87763, 132665, 168775, 181675, 438815, 663325, 1140919, 2194075, 5704595, 28522975]

約数ペア:

[(1, 28522975), (5, 5704595), (13, 2194075), (25, 1140919), (43, 663325), (65, 438815), (157, 181675), (169, 168775), (215, 132665), (325, 87763), (559, 51025), (785, 36335), (845, 33755), (1075, 26533), (2041, 13975), (2795, 10205), (3925, 7267), (4225, 6751)]