165981998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 72

約数和(自身を含む): 322732944

約数和(自身を除く): 156750946

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 73, 91, 146, 169, 182, 217, 338, 403, 434, 511, 806, 949, 961, 1022, 1183, 1898, 1922, 2263, 2366, 2821, 4526, 5239, 5642, 6643, 6727, 10478, 12337, 12493, 13286, 13454, 15841, 24674, 24986, 29419, 31682, 36673, 58838, 70153, 73346, 86359, 87451, 140306, 162409, 172718, 174902, 205933, 324818, 382447, 411866, 491071, 764894, 911989, 982142, 1136863, 1823978, 2273726, 2677129, 5354258, 6383923, 11855857, 12767846, 23711714, 82990999, 165981998]

約数ペア:

[(1, 165981998), (2, 82990999), (7, 23711714), (13, 12767846), (14, 11855857), (26, 6383923), (31, 5354258), (62, 2677129), (73, 2273726), (91, 1823978), (146, 1136863), (169, 982142), (182, 911989), (217, 764894), (338, 491071), (403, 411866), (434, 382447), (511, 324818), (806, 205933), (949, 174902), (961, 172718), (1022, 162409), (1183, 140306), (1898, 87451), (1922, 86359), (2263, 73346), (2366, 70153), (2821, 58838), (4526, 36673), (5239, 31682), (5642, 29419), (6643, 24986), (6727, 24674), (10478, 15841), (12337, 13454), (12493, 13286)]