31409264

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:765

約数の個数: 40

約数和(自身を含む): 63245952

約数和(自身を除く): 31836688

約数列:

[1, 2, 4, 8, 16, 43, 71, 86, 142, 172, 284, 344, 568, 643, 688, 1136, 1286, 2572, 3053, 5144, 6106, 10288, 12212, 24424, 27649, 45653, 48848, 55298, 91306, 110596, 182612, 221192, 365224, 442384, 730448, 1963079, 3926158, 7852316, 15704632, 31409264]

約数ペア:

[(1, 31409264), (2, 15704632), (4, 7852316), (8, 3926158), (16, 1963079), (43, 730448), (71, 442384), (86, 365224), (142, 221192), (172, 182612), (284, 110596), (344, 91306), (568, 55298), (643, 48848), (688, 45653), (1136, 27649), (1286, 24424), (2572, 12212), (3053, 10288), (5144, 6106)]