28239974

素因数分解:

$2^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{2269}}^1$

素因数の和:2412

約数の個数: 24

約数和(自身を含む): 49685760

約数和(自身を除く): 21445786

約数列:

[1, 2, 7, 14, 49, 98, 127, 254, 889, 1778, 2269, 4538, 6223, 12446, 15883, 31766, 111181, 222362, 288163, 576326, 2017141, 4034282, 14119987, 28239974]

約数ペア:

[(1, 28239974), (2, 14119987), (7, 4034282), (14, 2017141), (49, 576326), (98, 288163), (127, 222362), (254, 111181), (889, 31766), (1778, 15883), (2269, 12446), (4538, 6223)]