25638885

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 47324160

約数和(自身を除く): 21685275

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 157, 171, 191, 285, 471, 573, 785, 855, 955, 1413, 1719, 2355, 2865, 2983, 3629, 7065, 8595, 8949, 10887, 14915, 18145, 26847, 29987, 32661, 44745, 54435, 89961, 134235, 149935, 163305, 269883, 449805, 569753, 1349415, 1709259, 2848765, 5127777, 8546295, 25638885]

約数ペア:

[(1, 25638885), (3, 8546295), (5, 5127777), (9, 2848765), (15, 1709259), (19, 1349415), (45, 569753), (57, 449805), (95, 269883), (157, 163305), (171, 149935), (191, 134235), (285, 89961), (471, 54435), (573, 44745), (785, 32661), (855, 29987), (955, 26847), (1413, 18145), (1719, 14915), (2355, 10887), (2865, 8949), (2983, 8595), (3629, 7065)]