16995564

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 45089408

約数和(自身を除く): 28093844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 97, 124, 157, 186, 194, 279, 291, 314, 372, 388, 471, 558, 582, 628, 873, 942, 1116, 1164, 1413, 1746, 1884, 2826, 3007, 3492, 4867, 5652, 6014, 9021, 9734, 12028, 14601, 15229, 18042, 19468, 27063, 29202, 30458, 36084, 43803, 45687, 54126, 58404, 60916, 87606, 91374, 108252, 137061, 175212, 182748, 274122, 472099, 548244, 944198, 1416297, 1888396, 2832594, 4248891, 5665188, 8497782, 16995564]

約数ペア:

[(1, 16995564), (2, 8497782), (3, 5665188), (4, 4248891), (6, 2832594), (9, 1888396), (12, 1416297), (18, 944198), (31, 548244), (36, 472099), (62, 274122), (93, 182748), (97, 175212), (124, 137061), (157, 108252), (186, 91374), (194, 87606), (279, 60916), (291, 58404), (314, 54126), (372, 45687), (388, 43803), (471, 36084), (558, 30458), (582, 29202), (628, 27063), (873, 19468), (942, 18042), (1116, 15229), (1164, 14601), (1413, 12028), (1746, 9734), (1884, 9021), (2826, 6014), (3007, 5652), (3492, 4867)]