40972778

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 72

約数和(自身を含む): 82698336

約数和(自身を除く): 41725558

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 67, 77, 121, 133, 134, 154, 209, 242, 266, 361, 418, 469, 722, 737, 847, 938, 1273, 1463, 1474, 1694, 2299, 2527, 2546, 2926, 3971, 4598, 5054, 5159, 7942, 8107, 8911, 10318, 14003, 16093, 16214, 17822, 24187, 27797, 28006, 32186, 43681, 48374, 55594, 56749, 87362, 98021, 113498, 154033, 169309, 196042, 266057, 305767, 308066, 338618, 532114, 611534, 1078231, 1862399, 2156462, 2926627, 3724798, 5853254, 20486389, 40972778]

約数ペア:

[(1, 40972778), (2, 20486389), (7, 5853254), (11, 3724798), (14, 2926627), (19, 2156462), (22, 1862399), (38, 1078231), (67, 611534), (77, 532114), (121, 338618), (133, 308066), (134, 305767), (154, 266057), (209, 196042), (242, 169309), (266, 154033), (361, 113498), (418, 98021), (469, 87362), (722, 56749), (737, 55594), (847, 48374), (938, 43681), (1273, 32186), (1463, 28006), (1474, 27797), (1694, 24187), (2299, 17822), (2527, 16214), (2546, 16093), (2926, 14003), (3971, 10318), (4598, 8911), (5054, 8107), (5159, 7942)]