25758538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 43110144

約数和(自身を除く): 17351606

約数列:

[1, 2, 13, 26, 47, 94, 107, 197, 214, 394, 611, 1222, 1391, 2561, 2782, 5029, 5122, 9259, 10058, 18518, 21079, 42158, 65377, 120367, 130754, 240734, 274027, 548054, 990713, 1981426, 12879269, 25758538]

約数ペア:

[(1, 25758538), (2, 12879269), (13, 1981426), (26, 990713), (47, 548054), (94, 274027), (107, 240734), (197, 130754), (214, 120367), (394, 65377), (611, 42158), (1222, 21079), (1391, 18518), (2561, 10058), (2782, 9259), (5029, 5122)]