1256983208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{653}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 2584189440

約数和(自身を除く): 1327206232

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 223, 332, 446, 653, 664, 892, 1079, 1306, 1784, 2158, 2612, 2899, 4316, 5224, 5798, 8489, 8632, 11596, 16978, 18509, 23192, 33956, 37018, 54199, 67912, 74036, 108398, 145619, 148072, 216796, 240617, 291238, 433592, 481234, 582476, 704587, 962468, 1164952, 1409174, 1893047, 1924936, 2818348, 3786094, 5636696, 7572188, 12086377, 15144376, 24172754, 48345508, 96691016, 157122901, 314245802, 628491604, 1256983208]

約数ペア:

[(1, 1256983208), (2, 628491604), (4, 314245802), (8, 157122901), (13, 96691016), (26, 48345508), (52, 24172754), (83, 15144376), (104, 12086377), (166, 7572188), (223, 5636696), (332, 3786094), (446, 2818348), (653, 1924936), (664, 1893047), (892, 1409174), (1079, 1164952), (1306, 962468), (1784, 704587), (2158, 582476), (2612, 481234), (2899, 433592), (4316, 291238), (5224, 240617), (5798, 216796), (8489, 148072), (8632, 145619), (11596, 108398), (16978, 74036), (18509, 67912), (23192, 54199), (33956, 37018)]