128538458

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 207541440

約数和(自身を除く): 79002982

約数列:

[1, 2, 19, 38, 101, 107, 202, 214, 313, 626, 1919, 2033, 3838, 4066, 5947, 10807, 11894, 21614, 31613, 33491, 63226, 66982, 205333, 410666, 600647, 636329, 1201294, 1272658, 3382591, 6765182, 64269229, 128538458]

約数ペア:

[(1, 128538458), (2, 64269229), (19, 6765182), (38, 3382591), (101, 1272658), (107, 1201294), (202, 636329), (214, 600647), (313, 410666), (626, 205333), (1919, 66982), (2033, 63226), (3838, 33491), (4066, 31613), (5947, 21614), (10807, 11894)]