28240688

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{577}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 68805120

約数和(自身を除く): 40564432

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 38, 46, 56, 76, 92, 112, 133, 152, 161, 184, 266, 304, 322, 368, 437, 532, 577, 644, 874, 1064, 1154, 1288, 1748, 2128, 2308, 2576, 3059, 3496, 4039, 4616, 6118, 6992, 8078, 9232, 10963, 12236, 13271, 16156, 21926, 24472, 26542, 32312, 43852, 48944, 53084, 64624, 76741, 87704, 92897, 106168, 153482, 175408, 185794, 212336, 252149, 306964, 371588, 504298, 613928, 743176, 1008596, 1227856, 1486352, 1765043, 2017192, 3530086, 4034384, 7060172, 14120344, 28240688]

約数ペア:

[(1, 28240688), (2, 14120344), (4, 7060172), (7, 4034384), (8, 3530086), (14, 2017192), (16, 1765043), (19, 1486352), (23, 1227856), (28, 1008596), (38, 743176), (46, 613928), (56, 504298), (76, 371588), (92, 306964), (112, 252149), (133, 212336), (152, 185794), (161, 175408), (184, 153482), (266, 106168), (304, 92897), (322, 87704), (368, 76741), (437, 64624), (532, 53084), (577, 48944), (644, 43852), (874, 32312), (1064, 26542), (1154, 24472), (1288, 21926), (1748, 16156), (2128, 13271), (2308, 12236), (2576, 10963), (3059, 9232), (3496, 8078), (4039, 6992), (4616, 6118)]