261566295104

素因数分解:

$2^6\times {\mathrm{89}}^1\times {\mathrm{2207}}^1\times {\mathrm{20807}}^1$

素因数の和:23115

約数の個数: 56

約数和(自身を含む): 525140651520

約数和(自身を除く): 263574356416

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 178, 356, 712, 1424, 2207, 2848, 4414, 5696, 8828, 17656, 20807, 35312, 41614, 70624, 83228, 141248, 166456, 196423, 332912, 392846, 665824, 785692, 1331648, 1571384, 1851823, 3142768, 3703646, 6285536, 7407292, 12571072, 14814584, 29629168, 45921049, 59258336, 91842098, 118516672, 183684196, 367368392, 734736784, 1469473568, 2938947136, 4086973361, 8173946722, 16347893444, 32695786888, 65391573776, 130783147552, 261566295104]

約数ペア:

[(1, 261566295104), (2, 130783147552), (4, 65391573776), (8, 32695786888), (16, 16347893444), (32, 8173946722), (64, 4086973361), (89, 2938947136), (178, 1469473568), (356, 734736784), (712, 367368392), (1424, 183684196), (2207, 118516672), (2848, 91842098), (4414, 59258336), (5696, 45921049), (8828, 29629168), (17656, 14814584), (20807, 12571072), (35312, 7407292), (41614, 6285536), (70624, 3703646), (83228, 3142768), (141248, 1851823), (166456, 1571384), (196423, 1331648), (332912, 785692), (392846, 665824)]