7218918

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 19408896

約数和(自身を除く): 12189978

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 47, 53, 63, 69, 94, 106, 126, 138, 141, 159, 161, 207, 282, 318, 322, 329, 371, 414, 423, 477, 483, 658, 742, 846, 954, 966, 987, 1081, 1113, 1219, 1449, 1974, 2162, 2226, 2438, 2491, 2898, 2961, 3243, 3339, 3657, 4982, 5922, 6486, 6678, 7314, 7473, 7567, 8533, 9729, 10971, 14946, 15134, 17066, 17437, 19458, 21942, 22419, 22701, 25599, 34874, 44838, 45402, 51198, 52311, 57293, 68103, 76797, 104622, 114586, 136206, 153594, 156933, 171879, 313866, 343758, 401051, 515637, 802102, 1031274, 1203153, 2406306, 3609459, 7218918]

約数ペア:

[(1, 7218918), (2, 3609459), (3, 2406306), (6, 1203153), (7, 1031274), (9, 802102), (14, 515637), (18, 401051), (21, 343758), (23, 313866), (42, 171879), (46, 156933), (47, 153594), (53, 136206), (63, 114586), (69, 104622), (94, 76797), (106, 68103), (126, 57293), (138, 52311), (141, 51198), (159, 45402), (161, 44838), (207, 34874), (282, 25599), (318, 22701), (322, 22419), (329, 21942), (371, 19458), (414, 17437), (423, 17066), (477, 15134), (483, 14946), (658, 10971), (742, 9729), (846, 8533), (954, 7567), (966, 7473), (987, 7314), (1081, 6678), (1113, 6486), (1219, 5922), (1449, 4982), (1974, 3657), (2162, 3339), (2226, 3243), (2438, 2961), (2491, 2898)]