161909868

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 411264000

約数和(自身を除く): 249354132

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 79, 89, 101, 114, 158, 178, 202, 228, 237, 267, 303, 316, 356, 404, 474, 534, 606, 948, 1068, 1212, 1501, 1691, 1919, 3002, 3382, 3838, 4503, 5073, 5757, 6004, 6764, 7031, 7676, 7979, 8989, 9006, 10146, 11514, 14062, 15958, 17978, 18012, 20292, 21093, 23028, 23937, 26967, 28124, 31916, 35956, 42186, 47874, 53934, 84372, 95748, 107868, 133589, 151601, 170791, 267178, 303202, 341582, 400767, 454803, 512373, 534356, 606404, 683164, 710131, 801534, 909606, 1024746, 1420262, 1603068, 1819212, 2049492, 2130393, 2840524, 4260786, 8521572, 13492489, 26984978, 40477467, 53969956, 80954934, 161909868]

約数ペア:

[(1, 161909868), (2, 80954934), (3, 53969956), (4, 40477467), (6, 26984978), (12, 13492489), (19, 8521572), (38, 4260786), (57, 2840524), (76, 2130393), (79, 2049492), (89, 1819212), (101, 1603068), (114, 1420262), (158, 1024746), (178, 909606), (202, 801534), (228, 710131), (237, 683164), (267, 606404), (303, 534356), (316, 512373), (356, 454803), (404, 400767), (474, 341582), (534, 303202), (606, 267178), (948, 170791), (1068, 151601), (1212, 133589), (1501, 107868), (1691, 95748), (1919, 84372), (3002, 53934), (3382, 47874), (3838, 42186), (4503, 35956), (5073, 31916), (5757, 28124), (6004, 26967), (6764, 23937), (7031, 23028), (7676, 21093), (7979, 20292), (8989, 18012), (9006, 17978), (10146, 15958), (11514, 14062)]