16220288

素因数分解:

$2^7\times 7^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 37878720

約数和(自身を除く): 21658432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 128, 172, 224, 301, 344, 421, 448, 602, 688, 842, 896, 1204, 1376, 1684, 2408, 2752, 2947, 3368, 4816, 5504, 5894, 6736, 9632, 11788, 13472, 18103, 19264, 23576, 26944, 36206, 38528, 47152, 53888, 72412, 94304, 126721, 144824, 188608, 253442, 289648, 377216, 506884, 579296, 1013768, 1158592, 2027536, 2317184, 4055072, 8110144, 16220288]

約数ペア:

[(1, 16220288), (2, 8110144), (4, 4055072), (7, 2317184), (8, 2027536), (14, 1158592), (16, 1013768), (28, 579296), (32, 506884), (43, 377216), (56, 289648), (64, 253442), (86, 188608), (112, 144824), (128, 126721), (172, 94304), (224, 72412), (301, 53888), (344, 47152), (421, 38528), (448, 36206), (602, 26944), (688, 23576), (842, 19264), (896, 18103), (1204, 13472), (1376, 11788), (1684, 9632), (2408, 6736), (2752, 5894), (2947, 5504), (3368, 4816)]