261376426

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 419319360

約数和(自身を除く): 157942934

約数列:

[1, 2, 19, 38, 157, 193, 227, 314, 386, 454, 2983, 3667, 4313, 5966, 7334, 8626, 30301, 35639, 43811, 60602, 71278, 87622, 575719, 677141, 832409, 1151438, 1354282, 1664818, 6878327, 13756654, 130688213, 261376426]

約数ペア:

[(1, 261376426), (2, 130688213), (19, 13756654), (38, 6878327), (157, 1664818), (193, 1354282), (227, 1151438), (314, 832409), (386, 677141), (454, 575719), (2983, 87622), (3667, 71278), (4313, 60602), (5966, 43811), (7334, 35639), (8626, 30301)]