725660908

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1\times {\mathrm{431}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 1467777024

約数和(自身を除く): 742116116

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 383, 431, 628, 766, 862, 1099, 1532, 1724, 2198, 2681, 3017, 4396, 5362, 6034, 10724, 12068, 60131, 67667, 120262, 135334, 165073, 240524, 270668, 330146, 420917, 473669, 660292, 841834, 947338, 1155511, 1683668, 1894676, 2311022, 4622044, 25916461, 51832922, 103665844, 181415227, 362830454, 725660908]

約数ペア:

[(1, 725660908), (2, 362830454), (4, 181415227), (7, 103665844), (14, 51832922), (28, 25916461), (157, 4622044), (314, 2311022), (383, 1894676), (431, 1683668), (628, 1155511), (766, 947338), (862, 841834), (1099, 660292), (1532, 473669), (1724, 420917), (2198, 330146), (2681, 270668), (3017, 240524), (4396, 165073), (5362, 135334), (6034, 120262), (10724, 67667), (12068, 60131)]