642051215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{16273}}^1$

素因数の和:16898

約数の個数: 16

約数和(自身を含む): 831145728

約数和(自身を除く): 189094513

約数列:

[1, 5, 13, 65, 607, 3035, 7891, 16273, 39455, 81365, 211549, 1057745, 9877711, 49388555, 128410243, 642051215]

約数ペア:

[(1, 642051215), (5, 128410243), (13, 49388555), (65, 9877711), (607, 1057745), (3035, 211549), (7891, 81365), (16273, 39455)]