66971998

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 114665760

約数和(自身を除く): 47693762

約数列:

[1, 2, 19, 23, 37, 38, 46, 74, 109, 218, 361, 437, 703, 722, 851, 874, 1406, 1702, 2071, 2507, 4033, 4142, 5014, 8066, 8303, 13357, 16169, 16606, 26714, 32338, 39349, 47633, 76627, 78698, 92759, 95266, 153254, 185518, 307211, 614422, 905027, 1455913, 1762421, 1810054, 2911826, 3524842, 33485999, 66971998]

約数ペア:

[(1, 66971998), (2, 33485999), (19, 3524842), (23, 2911826), (37, 1810054), (38, 1762421), (46, 1455913), (74, 905027), (109, 614422), (218, 307211), (361, 185518), (437, 153254), (703, 95266), (722, 92759), (851, 78698), (874, 76627), (1406, 47633), (1702, 39349), (2071, 32338), (2507, 26714), (4033, 16606), (4142, 16169), (5014, 13357), (8066, 8303)]