251119795

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{2539}}^1$

素因数の和:2826

約数の個数: 16

約数和(自身を含む): 305775360

約数和(自身を除く): 54655565

約数列:

[1, 5, 131, 151, 655, 755, 2539, 12695, 19781, 98905, 332609, 383389, 1663045, 1916945, 50223959, 251119795]

約数ペア:

[(1, 251119795), (5, 50223959), (131, 1916945), (151, 1663045), (655, 383389), (755, 332609), (2539, 98905), (12695, 19781)]