55720518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{30853}}^1$

素因数の和:30908

約数の個数: 32

約数和(自身を含む): 130327296

約数和(自身を除く): 74606778

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 30853, 61706, 92559, 185118, 215971, 431942, 647913, 1295826, 1326679, 2653358, 3980037, 7960074, 9286753, 18573506, 27860259, 55720518]

約数ペア:

[(1, 55720518), (2, 27860259), (3, 18573506), (6, 9286753), (7, 7960074), (14, 3980037), (21, 2653358), (42, 1326679), (43, 1295826), (86, 647913), (129, 431942), (258, 215971), (301, 185118), (602, 92559), (903, 61706), (1806, 30853)]