28581994

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 52633800

約数和(自身を除く): 24051806

約数列:

[1, 2, 7, 14, 29, 49, 58, 89, 98, 113, 178, 203, 226, 406, 623, 791, 1246, 1421, 1582, 2581, 2842, 3277, 4361, 5162, 5537, 6554, 8722, 10057, 11074, 18067, 20114, 22939, 36134, 45878, 70399, 126469, 140798, 160573, 252938, 291653, 321146, 492793, 583306, 985586, 2041571, 4083142, 14290997, 28581994]

約数ペア:

[(1, 28581994), (2, 14290997), (7, 4083142), (14, 2041571), (29, 985586), (49, 583306), (58, 492793), (89, 321146), (98, 291653), (113, 252938), (178, 160573), (203, 140798), (226, 126469), (406, 70399), (623, 45878), (791, 36134), (1246, 22939), (1421, 20114), (1582, 18067), (2581, 11074), (2842, 10057), (3277, 8722), (4361, 6554), (5162, 5537)]