221572656

素因数分解:

$2^4\times 3^2\times {\mathrm{643}}^1\times {\mathrm{2393}}^1$

素因数の和:3050

約数の個数: 60

約数和(自身を含む): 621319608

約数和(自身を除く): 399746952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 643, 1286, 1929, 2393, 2572, 3858, 4786, 5144, 5787, 7179, 7716, 9572, 10288, 11574, 14358, 15432, 19144, 21537, 23148, 28716, 30864, 38288, 43074, 46296, 57432, 86148, 92592, 114864, 172296, 344592, 1538699, 3077398, 4616097, 6154796, 9232194, 12309592, 13848291, 18464388, 24619184, 27696582, 36928776, 55393164, 73857552, 110786328, 221572656]

約数ペア:

[(1, 221572656), (2, 110786328), (3, 73857552), (4, 55393164), (6, 36928776), (8, 27696582), (9, 24619184), (12, 18464388), (16, 13848291), (18, 12309592), (24, 9232194), (36, 6154796), (48, 4616097), (72, 3077398), (144, 1538699), (643, 344592), (1286, 172296), (1929, 114864), (2393, 92592), (2572, 86148), (3858, 57432), (4786, 46296), (5144, 43074), (5787, 38288), (7179, 30864), (7716, 28716), (9572, 23148), (10288, 21537), (11574, 19144), (14358, 15432)]