663645892

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:729

約数の個数: 96

約数和(自身を含む): 1492434944

約数和(自身を除く): 828789052

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 103, 124, 182, 206, 217, 364, 403, 412, 434, 571, 721, 806, 868, 1142, 1339, 1442, 1612, 2284, 2678, 2821, 2884, 3193, 3997, 5356, 5642, 6386, 7423, 7994, 9373, 11284, 12772, 14846, 15988, 17701, 18746, 22351, 29692, 35402, 37492, 41509, 44702, 51961, 58813, 70804, 83018, 89404, 103922, 117626, 123907, 166036, 207844, 230113, 235252, 247814, 290563, 411691, 460226, 495628, 581126, 764569, 823382, 920452, 1162252, 1529138, 1610791, 1646764, 1823203, 3058276, 3221582, 3646406, 5351983, 6443164, 7292812, 10703966, 12762421, 21407932, 23701639, 25524842, 47403278, 51049684, 94806556, 165911473, 331822946, 663645892]

約数ペア:

[(1, 663645892), (2, 331822946), (4, 165911473), (7, 94806556), (13, 51049684), (14, 47403278), (26, 25524842), (28, 23701639), (31, 21407932), (52, 12762421), (62, 10703966), (91, 7292812), (103, 6443164), (124, 5351983), (182, 3646406), (206, 3221582), (217, 3058276), (364, 1823203), (403, 1646764), (412, 1610791), (434, 1529138), (571, 1162252), (721, 920452), (806, 823382), (868, 764569), (1142, 581126), (1339, 495628), (1442, 460226), (1612, 411691), (2284, 290563), (2678, 247814), (2821, 235252), (2884, 230113), (3193, 207844), (3997, 166036), (5356, 123907), (5642, 117626), (6386, 103922), (7423, 89404), (7994, 83018), (9373, 70804), (11284, 58813), (12772, 51961), (14846, 44702), (15988, 41509), (17701, 37492), (18746, 35402), (22351, 29692)]