261316016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{3559}}^1$

素因数の和:3933

約数の個数: 40

約数和(自身を含む): 546944160

約数和(自身を除く): 285628144

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 353, 706, 1412, 2824, 3559, 4589, 5648, 7118, 9178, 14236, 18356, 28472, 36712, 46267, 56944, 73424, 92534, 185068, 370136, 740272, 1256327, 2512654, 5025308, 10050616, 16332251, 20101232, 32664502, 65329004, 130658008, 261316016]

約数ペア:

[(1, 261316016), (2, 130658008), (4, 65329004), (8, 32664502), (13, 20101232), (16, 16332251), (26, 10050616), (52, 5025308), (104, 2512654), (208, 1256327), (353, 740272), (706, 370136), (1412, 185068), (2824, 92534), (3559, 73424), (4589, 56944), (5648, 46267), (7118, 36712), (9178, 28472), (14236, 18356)]