66280816

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31147}}^1$

素因数の和:31181

約数の個数: 40

約数和(自身を含む): 154494080

約数和(自身を除く): 88213264

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 31147, 62294, 124588, 218029, 249176, 436058, 498352, 591793, 872116, 1183586, 1744232, 2367172, 3488464, 4142551, 4734344, 8285102, 9468688, 16570204, 33140408, 66280816]

約数ペア:

[(1, 66280816), (2, 33140408), (4, 16570204), (7, 9468688), (8, 8285102), (14, 4734344), (16, 4142551), (19, 3488464), (28, 2367172), (38, 1744232), (56, 1183586), (76, 872116), (112, 591793), (133, 498352), (152, 436058), (266, 249176), (304, 218029), (532, 124588), (1064, 62294), (2128, 31147)]