16988616

素因数分解:

$2^3\times 3^7\times {\mathrm{971}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 47822400

約数和(自身を除く): 30833784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 971, 972, 1458, 1942, 1944, 2187, 2913, 2916, 3884, 4374, 5826, 5832, 7768, 8739, 8748, 11652, 17478, 17496, 23304, 26217, 34956, 52434, 69912, 78651, 104868, 157302, 209736, 235953, 314604, 471906, 629208, 707859, 943812, 1415718, 1887624, 2123577, 2831436, 4247154, 5662872, 8494308, 16988616]

約数ペア:

[(1, 16988616), (2, 8494308), (3, 5662872), (4, 4247154), (6, 2831436), (8, 2123577), (9, 1887624), (12, 1415718), (18, 943812), (24, 707859), (27, 629208), (36, 471906), (54, 314604), (72, 235953), (81, 209736), (108, 157302), (162, 104868), (216, 78651), (243, 69912), (324, 52434), (486, 34956), (648, 26217), (729, 23304), (971, 17496), (972, 17478), (1458, 11652), (1942, 8748), (1944, 8739), (2187, 7768), (2913, 5832), (2916, 5826), (3884, 4374)]