640151603

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1931}}^1\times {\mathrm{3643}}^1$

素因数の和:5594

約数の個数: 16

約数和(自身を含む): 788503296

約数和(自身を除く): 148351693

約数列:

[1, 7, 13, 91, 1931, 3643, 13517, 25103, 25501, 47359, 175721, 331513, 7034633, 49242431, 91450229, 640151603]

約数ペア:

[(1, 640151603), (7, 91450229), (13, 49242431), (91, 7034633), (1931, 331513), (3643, 175721), (13517, 47359), (25103, 25501)]