286780225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{21767}}^1$

素因数の和:21825

約数の個数: 24

約数和(自身を含む): 388689408

約数和(自身を除く): 101909183

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 527, 775, 2635, 13175, 21767, 108835, 370039, 544175, 674777, 1850195, 3373885, 9250975, 11471209, 16869425, 57356045, 286780225]

約数ペア:

[(1, 286780225), (5, 57356045), (17, 16869425), (25, 11471209), (31, 9250975), (85, 3373885), (155, 1850195), (425, 674777), (527, 544175), (775, 370039), (2635, 108835), (13175, 21767)]