1638405717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{472027}}^1$

素因数の和:472132

約数の個数: 16

約数和(自身を含む): 2379021120

約数和(自身を除く): 740615403

約数列:

[1, 3, 13, 39, 89, 267, 1157, 3471, 472027, 1416081, 6136351, 18409053, 42010403, 126031209, 546135239, 1638405717]

約数ペア:

[(1, 1638405717), (3, 546135239), (13, 126031209), (39, 42010403), (89, 18409053), (267, 6136351), (1157, 1416081), (3471, 472027)]