1276278328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{24593}}^1$

素因数の和:25111

約数の個数: 32

約数和(自身を含む): 2582370000

約数和(自身を除く): 1306091672

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 499, 998, 1996, 3992, 6487, 12974, 24593, 25948, 49186, 51896, 98372, 196744, 319709, 639418, 1278836, 2557672, 12271907, 24543814, 49087628, 98175256, 159534791, 319069582, 638139164, 1276278328]

約数ペア:

[(1, 1276278328), (2, 638139164), (4, 319069582), (8, 159534791), (13, 98175256), (26, 49087628), (52, 24543814), (104, 12271907), (499, 2557672), (998, 1278836), (1996, 639418), (3992, 319709), (6487, 196744), (12974, 98372), (24593, 51896), (25948, 49186)]