128794312

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{49843}}^1$

素因数の和:49885

約数の個数: 32

約数和(自身を含む): 269157600

約数和(自身を除く): 140363288

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 49843, 99686, 199372, 398744, 847331, 947017, 1694662, 1894034, 3389324, 3788068, 6778648, 7576136, 16099289, 32198578, 64397156, 128794312]

約数ペア:

[(1, 128794312), (2, 64397156), (4, 32198578), (8, 16099289), (17, 7576136), (19, 6778648), (34, 3788068), (38, 3389324), (68, 1894034), (76, 1694662), (136, 947017), (152, 847331), (323, 398744), (646, 199372), (1292, 99686), (2584, 49843)]