724138412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{142211}}^1$

素因数の和:142301

約数の個数: 24

約数和(自身を含む): 1353858240

約数和(自身を除く): 629719828

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 1273, 2546, 5092, 142211, 284422, 568844, 2702009, 5404018, 9528137, 10808036, 19056274, 38112548, 181034603, 362069206, 724138412]

約数ペア:

[(1, 724138412), (2, 362069206), (4, 181034603), (19, 38112548), (38, 19056274), (67, 10808036), (76, 9528137), (134, 5404018), (268, 2702009), (1273, 568844), (2546, 284422), (5092, 142211)]