72784558

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20549}}^1$

素因数の和:20592

約数の個数: 32

約数和(自身を含む): 142041600

約数和(自身を除く): 69257042

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 20549, 41098, 143843, 226039, 287686, 452078, 472627, 945254, 1582273, 3164546, 3308389, 5198897, 6616778, 10397794, 36392279, 72784558]

約数ペア:

[(1, 72784558), (2, 36392279), (7, 10397794), (11, 6616778), (14, 5198897), (22, 3308389), (23, 3164546), (46, 1582273), (77, 945254), (154, 472627), (161, 452078), (253, 287686), (322, 226039), (506, 143843), (1771, 41098), (3542, 20549)]