90173468

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{811}}^1$

素因数の和:871

約数の個数: 72

約数和(自身を含む): 207897984

約数和(自身を除く): 117724516

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 361, 418, 532, 722, 811, 836, 1444, 1463, 1622, 2527, 2926, 3244, 3971, 5054, 5677, 5852, 7942, 8921, 10108, 11354, 15409, 15884, 17842, 22708, 27797, 30818, 35684, 55594, 61636, 62447, 107863, 111188, 124894, 169499, 215726, 249788, 292771, 338998, 431452, 585542, 677996, 1171084, 1186493, 2049397, 2372986, 3220481, 4098794, 4745972, 6440962, 8197588, 12881924, 22543367, 45086734, 90173468]

約数ペア:

[(1, 90173468), (2, 45086734), (4, 22543367), (7, 12881924), (11, 8197588), (14, 6440962), (19, 4745972), (22, 4098794), (28, 3220481), (38, 2372986), (44, 2049397), (76, 1186493), (77, 1171084), (133, 677996), (154, 585542), (209, 431452), (266, 338998), (308, 292771), (361, 249788), (418, 215726), (532, 169499), (722, 124894), (811, 111188), (836, 107863), (1444, 62447), (1463, 61636), (1622, 55594), (2527, 35684), (2926, 30818), (3244, 27797), (3971, 22708), (5054, 17842), (5677, 15884), (5852, 15409), (7942, 11354), (8921, 10108)]