28018508

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 59082240

約数和(自身を除く): 31063732

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 139, 161, 278, 313, 322, 556, 626, 644, 973, 1252, 1946, 2191, 3197, 3892, 4382, 6394, 7199, 8764, 12788, 14398, 22379, 28796, 43507, 44758, 50393, 87014, 89516, 100786, 174028, 201572, 304549, 609098, 1000661, 1218196, 2001322, 4002644, 7004627, 14009254, 28018508]

約数ペア:

[(1, 28018508), (2, 14009254), (4, 7004627), (7, 4002644), (14, 2001322), (23, 1218196), (28, 1000661), (46, 609098), (92, 304549), (139, 201572), (161, 174028), (278, 100786), (313, 89516), (322, 87014), (556, 50393), (626, 44758), (644, 43507), (973, 28796), (1252, 22379), (1946, 14398), (2191, 12788), (3197, 8764), (3892, 7199), (4382, 6394)]