2009553988

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{48733}}^1$

素因数の和:48824

約数の個数: 36

約数和(自身を含む): 3870551748

約数和(自身を除く): 1860997760

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 169, 244, 338, 676, 793, 1586, 3172, 10309, 20618, 41236, 48733, 97466, 194932, 633529, 1267058, 2534116, 2972713, 5945426, 8235877, 11890852, 16471754, 32943508, 38645269, 77290538, 154581076, 502388497, 1004776994, 2009553988]

約数ペア:

[(1, 2009553988), (2, 1004776994), (4, 502388497), (13, 154581076), (26, 77290538), (52, 38645269), (61, 32943508), (122, 16471754), (169, 11890852), (244, 8235877), (338, 5945426), (676, 2972713), (793, 2534116), (1586, 1267058), (3172, 633529), (10309, 194932), (20618, 97466), (41236, 48733)]