71025664

素因数分解:

$2^{10}\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:658

約数の個数: 44

約数和(自身を含む): 143290000

約数和(自身を除く): 72264336

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 278, 499, 512, 556, 998, 1024, 1112, 1996, 2224, 3992, 4448, 7984, 8896, 15968, 17792, 31936, 35584, 63872, 69361, 71168, 127744, 138722, 142336, 255488, 277444, 510976, 554888, 1109776, 2219552, 4439104, 8878208, 17756416, 35512832, 71025664]

約数ペア:

[(1, 71025664), (2, 35512832), (4, 17756416), (8, 8878208), (16, 4439104), (32, 2219552), (64, 1109776), (128, 554888), (139, 510976), (256, 277444), (278, 255488), (499, 142336), (512, 138722), (556, 127744), (998, 71168), (1024, 69361), (1112, 63872), (1996, 35584), (2224, 31936), (3992, 17792), (4448, 15968), (7984, 8896)]