81612188

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{359}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 171279360

約数和(自身を除く): 89667172

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 353, 359, 644, 706, 718, 1412, 1436, 2471, 2513, 4942, 5026, 8119, 8257, 9884, 10052, 16238, 16514, 32476, 33028, 56833, 57799, 113666, 115598, 126727, 227332, 231196, 253454, 506908, 887089, 1774178, 2914721, 3548356, 5829442, 11658884, 20403047, 40806094, 81612188]

約数ペア:

[(1, 81612188), (2, 40806094), (4, 20403047), (7, 11658884), (14, 5829442), (23, 3548356), (28, 2914721), (46, 1774178), (92, 887089), (161, 506908), (322, 253454), (353, 231196), (359, 227332), (644, 126727), (706, 115598), (718, 113666), (1412, 57799), (1436, 56833), (2471, 33028), (2513, 32476), (4942, 16514), (5026, 16238), (8119, 10052), (8257, 9884)]