25578917

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2729}}^1$

素因数の和:2852

約数の個数: 16

約数和(自身を含む): 31799040

約数和(自身を除く): 6220123

約数列:

[1, 7, 13, 91, 103, 721, 1339, 2729, 9373, 19103, 35477, 248339, 281087, 1967609, 3654131, 25578917]

約数ペア:

[(1, 25578917), (7, 3654131), (13, 1967609), (91, 281087), (103, 248339), (721, 35477), (1339, 19103), (2729, 9373)]