128680225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{9767}}^1$

素因数の和:9825

約数の個数: 24

約数和(自身を含む): 174417408

約数和(自身を除く): 45737183

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 527, 775, 2635, 9767, 13175, 48835, 166039, 244175, 302777, 830195, 1513885, 4150975, 5147209, 7569425, 25736045, 128680225]

約数ペア:

[(1, 128680225), (5, 25736045), (17, 7569425), (25, 5147209), (31, 4150975), (85, 1513885), (155, 830195), (425, 302777), (527, 244175), (775, 166039), (2635, 48835), (9767, 13175)]