55390396

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:562

約数の個数: 36

約数和(自身を含む): 103692960

約数和(自身を除く): 48302564

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 361, 431, 722, 862, 1444, 1691, 1724, 3382, 6764, 8189, 16378, 32129, 32756, 38359, 64258, 76718, 128516, 153436, 155591, 311182, 622364, 728821, 1457642, 2915284, 13847599, 27695198, 55390396]

約数ペア:

[(1, 55390396), (2, 27695198), (4, 13847599), (19, 2915284), (38, 1457642), (76, 728821), (89, 622364), (178, 311182), (356, 155591), (361, 153436), (431, 128516), (722, 76718), (862, 64258), (1444, 38359), (1691, 32756), (1724, 32129), (3382, 16378), (6764, 8189)]