221377436

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{3889}}^1$

素因数の和:4026

約数の個数: 48

約数和(自身を含む): 470534400

約数和(自身を除く): 249156964

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 107, 133, 214, 266, 428, 532, 749, 1498, 2033, 2996, 3889, 4066, 7778, 8132, 14231, 15556, 27223, 28462, 54446, 56924, 73891, 108892, 147782, 295564, 416123, 517237, 832246, 1034474, 1664492, 2068948, 2912861, 5825722, 7906337, 11651444, 15812674, 31625348, 55344359, 110688718, 221377436]

約数ペア:

[(1, 221377436), (2, 110688718), (4, 55344359), (7, 31625348), (14, 15812674), (19, 11651444), (28, 7906337), (38, 5825722), (76, 2912861), (107, 2068948), (133, 1664492), (214, 1034474), (266, 832246), (428, 517237), (532, 416123), (749, 295564), (1498, 147782), (2033, 108892), (2996, 73891), (3889, 56924), (4066, 54446), (7778, 28462), (8132, 27223), (14231, 15556)]