16656444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:595

約数の個数: 72

約数和(自身を含む): 48540128

約数和(自身を除く): 31883684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 421, 471, 628, 842, 942, 1099, 1263, 1413, 1684, 1884, 2198, 2526, 2826, 2947, 3297, 3789, 4396, 5052, 5652, 5894, 6594, 7578, 8841, 9891, 11788, 13188, 15156, 17682, 19782, 26523, 35364, 39564, 53046, 66097, 106092, 132194, 198291, 264388, 396582, 462679, 594873, 793164, 925358, 1189746, 1388037, 1850716, 2379492, 2776074, 4164111, 5552148, 8328222, 16656444]

約数ペア:

[(1, 16656444), (2, 8328222), (3, 5552148), (4, 4164111), (6, 2776074), (7, 2379492), (9, 1850716), (12, 1388037), (14, 1189746), (18, 925358), (21, 793164), (28, 594873), (36, 462679), (42, 396582), (63, 264388), (84, 198291), (126, 132194), (157, 106092), (252, 66097), (314, 53046), (421, 39564), (471, 35364), (628, 26523), (842, 19782), (942, 17682), (1099, 15156), (1263, 13188), (1413, 11788), (1684, 9891), (1884, 8841), (2198, 7578), (2526, 6594), (2826, 5894), (2947, 5652), (3297, 5052), (3789, 4396)]