28138568

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 56571900

約数和(自身を除く): 28433332

約数列:

[1, 2, 4, 8, 23, 46, 61, 92, 109, 122, 184, 218, 244, 436, 488, 529, 872, 1058, 1403, 2116, 2507, 2806, 4232, 5014, 5612, 6649, 10028, 11224, 13298, 20056, 26596, 32269, 53192, 57661, 64538, 115322, 129076, 152927, 230644, 258152, 305854, 461288, 611708, 1223416, 3517321, 7034642, 14069284, 28138568]

約数ペア:

[(1, 28138568), (2, 14069284), (4, 7034642), (8, 3517321), (23, 1223416), (46, 611708), (61, 461288), (92, 305854), (109, 258152), (122, 230644), (184, 152927), (218, 129076), (244, 115322), (436, 64538), (488, 57661), (529, 53192), (872, 32269), (1058, 26596), (1403, 20056), (2116, 13298), (2507, 11224), (2806, 10028), (4232, 6649), (5014, 5612)]