25040708

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 58094400

約数和(自身を除く): 33053692

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 121, 133, 154, 209, 242, 266, 308, 389, 418, 484, 532, 778, 836, 847, 1463, 1556, 1694, 2299, 2723, 2926, 3388, 4279, 4598, 5446, 5852, 7391, 8558, 9196, 10892, 14782, 16093, 17116, 29564, 29953, 32186, 47069, 51737, 59906, 64372, 81301, 94138, 103474, 119812, 162602, 188276, 206948, 325204, 329483, 569107, 658966, 894311, 1138214, 1317932, 1788622, 2276428, 3577244, 6260177, 12520354, 25040708]

約数ペア:

[(1, 25040708), (2, 12520354), (4, 6260177), (7, 3577244), (11, 2276428), (14, 1788622), (19, 1317932), (22, 1138214), (28, 894311), (38, 658966), (44, 569107), (76, 329483), (77, 325204), (121, 206948), (133, 188276), (154, 162602), (209, 119812), (242, 103474), (266, 94138), (308, 81301), (389, 64372), (418, 59906), (484, 51737), (532, 47069), (778, 32186), (836, 29953), (847, 29564), (1463, 17116), (1556, 16093), (1694, 14782), (2299, 10892), (2723, 9196), (2926, 8558), (3388, 7391), (4279, 5852), (4598, 5446)]