71388548

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1109}}^1$

素因数の和:1161

約数の個数: 72

約数和(自身を含む): 165345600

約数和(自身を除く): 93957052

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 121, 133, 154, 209, 242, 266, 308, 418, 484, 532, 836, 847, 1109, 1463, 1694, 2218, 2299, 2926, 3388, 4436, 4598, 5852, 7763, 9196, 12199, 15526, 16093, 21071, 24398, 31052, 32186, 42142, 48796, 64372, 84284, 85393, 134189, 147497, 170786, 231781, 268378, 294994, 341572, 463562, 536756, 589988, 927124, 939323, 1622467, 1878646, 2549591, 3244934, 3757292, 5099182, 6489868, 10198364, 17847137, 35694274, 71388548]

約数ペア:

[(1, 71388548), (2, 35694274), (4, 17847137), (7, 10198364), (11, 6489868), (14, 5099182), (19, 3757292), (22, 3244934), (28, 2549591), (38, 1878646), (44, 1622467), (76, 939323), (77, 927124), (121, 589988), (133, 536756), (154, 463562), (209, 341572), (242, 294994), (266, 268378), (308, 231781), (418, 170786), (484, 147497), (532, 134189), (836, 85393), (847, 84284), (1109, 64372), (1463, 48796), (1694, 42142), (2218, 32186), (2299, 31052), (2926, 24398), (3388, 21071), (4436, 16093), (4598, 15526), (5852, 12199), (7763, 9196)]