16418872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 35380800

約数和(自身を除く): 18961928

約数列:

[1, 2, 4, 8, 17, 23, 29, 34, 46, 58, 68, 92, 116, 136, 181, 184, 232, 362, 391, 493, 667, 724, 782, 986, 1334, 1448, 1564, 1972, 2668, 3077, 3128, 3944, 4163, 5249, 5336, 6154, 8326, 10498, 11339, 12308, 16652, 20996, 22678, 24616, 33304, 41992, 45356, 70771, 89233, 90712, 120727, 141542, 178466, 241454, 283084, 356932, 482908, 566168, 713864, 965816, 2052359, 4104718, 8209436, 16418872]

約数ペア:

[(1, 16418872), (2, 8209436), (4, 4104718), (8, 2052359), (17, 965816), (23, 713864), (29, 566168), (34, 482908), (46, 356932), (58, 283084), (68, 241454), (92, 178466), (116, 141542), (136, 120727), (181, 90712), (184, 89233), (232, 70771), (362, 45356), (391, 41992), (493, 33304), (667, 24616), (724, 22678), (782, 20996), (986, 16652), (1334, 12308), (1448, 11339), (1564, 10498), (1972, 8326), (2668, 6154), (3077, 5336), (3128, 5249), (3944, 4163)]