7817128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 16103520

約数和(自身を除く): 8286392

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 211, 421, 422, 842, 844, 1684, 1688, 2321, 3368, 4631, 4642, 9262, 9284, 18524, 18568, 37048, 88831, 177662, 355324, 710648, 977141, 1954282, 3908564, 7817128]

約数ペア:

[(1, 7817128), (2, 3908564), (4, 1954282), (8, 977141), (11, 710648), (22, 355324), (44, 177662), (88, 88831), (211, 37048), (421, 18568), (422, 18524), (842, 9284), (844, 9262), (1684, 4642), (1688, 4631), (2321, 3368)]