401489425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{23041}}^1$

素因数の和:23109

約数の個数: 24

約数和(自身を含む): 540012312

約数和(自身を除く): 138522887

約数列:

[1, 5, 17, 25, 41, 85, 205, 425, 697, 1025, 3485, 17425, 23041, 115205, 391697, 576025, 944681, 1958485, 4723405, 9792425, 16059577, 23617025, 80297885, 401489425]

約数ペア:

[(1, 401489425), (5, 80297885), (17, 23617025), (25, 16059577), (41, 9792425), (85, 4723405), (205, 1958485), (425, 944681), (697, 576025), (1025, 391697), (3485, 115205), (17425, 23041)]