51999143

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 65280000

約数和(自身を除く): 13280857

約数列:

[1, 7, 19, 49, 79, 101, 133, 343, 553, 707, 931, 1501, 1919, 3871, 4949, 6517, 7979, 10507, 13433, 27097, 34643, 55853, 73549, 94031, 151601, 390971, 514843, 658217, 1061207, 2736797, 7428449, 51999143]

約数ペア:

[(1, 51999143), (7, 7428449), (19, 2736797), (49, 1061207), (79, 658217), (101, 514843), (133, 390971), (343, 151601), (553, 94031), (707, 73549), (931, 55853), (1501, 34643), (1919, 27097), (3871, 13433), (4949, 10507), (6517, 7979)]