1218909978

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6863}}^1$

素因数の和:6921

約数の個数: 128

約数和(自身を含む): 3321077760

約数和(自身を除く): 2102167782

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 23, 26, 27, 33, 39, 46, 54, 66, 69, 78, 99, 117, 138, 143, 198, 207, 234, 253, 286, 297, 299, 351, 414, 429, 506, 594, 598, 621, 702, 759, 858, 897, 1242, 1287, 1518, 1794, 2277, 2574, 2691, 3289, 3861, 4554, 5382, 6578, 6831, 6863, 7722, 8073, 9867, 13662, 13726, 16146, 19734, 20589, 29601, 41178, 59202, 61767, 75493, 88803, 89219, 123534, 150986, 157849, 177606, 178438, 185301, 226479, 267657, 315698, 370602, 452958, 473547, 535314, 679437, 802971, 947094, 981409, 1358874, 1420641, 1605942, 1736339, 1962818, 2038311, 2052037, 2408913, 2841282, 2944227, 3472678, 4076622, 4104074, 4261923, 4817826, 5209017, 5888454, 6156111, 8523846, 8832681, 10418034, 12312222, 15627051, 17665362, 18468333, 22572407, 26498043, 31254102, 36936666, 45144814, 46881153, 52996086, 55404999, 67717221, 93762306, 110809998, 135434442, 203151663, 406303326, 609454989, 1218909978]

約数ペア:

[(1, 1218909978), (2, 609454989), (3, 406303326), (6, 203151663), (9, 135434442), (11, 110809998), (13, 93762306), (18, 67717221), (22, 55404999), (23, 52996086), (26, 46881153), (27, 45144814), (33, 36936666), (39, 31254102), (46, 26498043), (54, 22572407), (66, 18468333), (69, 17665362), (78, 15627051), (99, 12312222), (117, 10418034), (138, 8832681), (143, 8523846), (198, 6156111), (207, 5888454), (234, 5209017), (253, 4817826), (286, 4261923), (297, 4104074), (299, 4076622), (351, 3472678), (414, 2944227), (429, 2841282), (506, 2408913), (594, 2052037), (598, 2038311), (621, 1962818), (702, 1736339), (759, 1605942), (858, 1420641), (897, 1358874), (1242, 981409), (1287, 947094), (1518, 802971), (1794, 679437), (2277, 535314), (2574, 473547), (2691, 452958), (3289, 370602), (3861, 315698), (4554, 267657), (5382, 226479), (6578, 185301), (6831, 178438), (6863, 177606), (7722, 157849), (8073, 150986), (9867, 123534), (13662, 89219), (13726, 88803), (16146, 75493), (19734, 61767), (20589, 59202), (29601, 41178)]