81163224

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15877}}^1$

素因数の和:15960

約数の個数: 48

約数和(自身を含む): 222927120

約数和(自身を除く): 141763896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 5112, 15877, 31754, 47631, 63508, 95262, 127016, 142893, 190524, 285786, 381048, 571572, 1127267, 1143144, 2254534, 3381801, 4509068, 6763602, 9018136, 10145403, 13527204, 20290806, 27054408, 40581612, 81163224]

約数ペア:

[(1, 81163224), (2, 40581612), (3, 27054408), (4, 20290806), (6, 13527204), (8, 10145403), (9, 9018136), (12, 6763602), (18, 4509068), (24, 3381801), (36, 2254534), (71, 1143144), (72, 1127267), (142, 571572), (213, 381048), (284, 285786), (426, 190524), (568, 142893), (639, 127016), (852, 95262), (1278, 63508), (1704, 47631), (2556, 31754), (5112, 15877)]