649447616

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{311}}^1\times {\mathrm{487}}^1$

素因数の和:877

約数の個数: 56

約数和(自身を含む): 1314882816

約数和(自身を除く): 665435200

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 311, 487, 536, 622, 974, 1072, 1244, 1948, 2144, 2488, 3896, 4288, 4976, 7792, 9952, 15584, 19904, 20837, 31168, 32629, 41674, 65258, 83348, 130516, 151457, 166696, 261032, 302914, 333392, 522064, 605828, 666784, 1044128, 1211656, 1333568, 2088256, 2423312, 4846624, 9693248, 10147619, 20295238, 40590476, 81180952, 162361904, 324723808, 649447616]

約数ペア:

[(1, 649447616), (2, 324723808), (4, 162361904), (8, 81180952), (16, 40590476), (32, 20295238), (64, 10147619), (67, 9693248), (134, 4846624), (268, 2423312), (311, 2088256), (487, 1333568), (536, 1211656), (622, 1044128), (974, 666784), (1072, 605828), (1244, 522064), (1948, 333392), (2144, 302914), (2488, 261032), (3896, 166696), (4288, 151457), (4976, 130516), (7792, 83348), (9952, 65258), (15584, 41674), (19904, 32629), (20837, 31168)]