2801128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 5796000

約数和(自身を除く): 2994872

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 229, 278, 458, 556, 916, 1112, 1529, 1832, 2519, 3058, 5038, 6116, 10076, 12232, 20152, 31831, 63662, 127324, 254648, 350141, 700282, 1400564, 2801128]

約数ペア:

[(1, 2801128), (2, 1400564), (4, 700282), (8, 350141), (11, 254648), (22, 127324), (44, 63662), (88, 31831), (139, 20152), (229, 12232), (278, 10076), (458, 6116), (556, 5038), (916, 3058), (1112, 2519), (1529, 1832)]