1298199808

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{587}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 2660944608

約数和(自身を除く): 1362744800

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 163, 212, 256, 326, 424, 587, 652, 848, 1174, 1304, 1696, 2348, 2608, 3392, 4696, 5216, 6784, 8639, 9392, 10432, 13568, 17278, 18784, 20864, 31111, 34556, 37568, 41728, 62222, 69112, 75136, 95681, 124444, 138224, 150272, 191362, 248888, 276448, 382724, 497776, 552896, 765448, 995552, 1105792, 1530896, 1991104, 2211584, 3061792, 3982208, 5071093, 6123584, 7964416, 10142186, 12247168, 20284372, 24494336, 40568744, 81137488, 162274976, 324549952, 649099904, 1298199808]

約数ペア:

[(1, 1298199808), (2, 649099904), (4, 324549952), (8, 162274976), (16, 81137488), (32, 40568744), (53, 24494336), (64, 20284372), (106, 12247168), (128, 10142186), (163, 7964416), (212, 6123584), (256, 5071093), (326, 3982208), (424, 3061792), (587, 2211584), (652, 1991104), (848, 1530896), (1174, 1105792), (1304, 995552), (1696, 765448), (2348, 552896), (2608, 497776), (3392, 382724), (4696, 276448), (5216, 248888), (6784, 191362), (8639, 150272), (9392, 138224), (10432, 124444), (13568, 95681), (17278, 75136), (18784, 69112), (20864, 62222), (31111, 41728), (34556, 37568)]