1899681581

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{143513}}^1$

素因数の和:143612

約数の個数: 16

約数和(自身を含む): 2277854208

約数和(自身を除く): 378172627

約数列:

[1, 7, 31, 61, 217, 427, 1891, 13237, 143513, 1004591, 4448903, 8754293, 31142321, 61280051, 271383083, 1899681581]

約数ペア:

[(1, 1899681581), (7, 271383083), (31, 61280051), (61, 31142321), (217, 8754293), (427, 4448903), (1891, 1004591), (13237, 143513)]