263221712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{11827}}^1$

素因数の和:11955

約数の個数: 40

約数和(自身を含む): 554402016

約数和(自身を除く): 291180304

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 107, 208, 214, 428, 856, 1391, 1712, 2782, 5564, 11128, 11827, 22256, 23654, 47308, 94616, 153751, 189232, 307502, 615004, 1230008, 1265489, 2460016, 2530978, 5061956, 10123912, 16451357, 20247824, 32902714, 65805428, 131610856, 263221712]

約数ペア:

[(1, 263221712), (2, 131610856), (4, 65805428), (8, 32902714), (13, 20247824), (16, 16451357), (26, 10123912), (52, 5061956), (104, 2530978), (107, 2460016), (208, 1265489), (214, 1230008), (428, 615004), (856, 307502), (1391, 189232), (1712, 153751), (2782, 94616), (5564, 47308), (11128, 23654), (11827, 22256)]