71307278

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{36643}}^1$

素因数の和:36791

約数の個数: 16

約数和(自身を含む): 123123840

約数和(自身を除く): 51816562

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 36643, 73286, 256501, 513002, 5093377, 10186754, 35653639, 71307278]

約数ペア:

[(1, 71307278), (2, 35653639), (7, 10186754), (14, 5093377), (139, 513002), (278, 256501), (973, 73286), (1946, 36643)]