208076752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1423}}^1$

素因数の和:1500

約数の個数: 80

約数和(自身を含む): 469692160

約数和(自身を除く): 261615408

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 37, 38, 52, 74, 76, 104, 148, 152, 208, 247, 296, 304, 481, 494, 592, 703, 962, 988, 1406, 1423, 1924, 1976, 2812, 2846, 3848, 3952, 5624, 5692, 7696, 9139, 11248, 11384, 18278, 18499, 22768, 27037, 36556, 36998, 52651, 54074, 73112, 73996, 105302, 108148, 146224, 147992, 210604, 216296, 295984, 351481, 421208, 432592, 684463, 702962, 842416, 1000369, 1368926, 1405924, 2000738, 2737852, 2811848, 4001476, 5475704, 5623696, 8002952, 10951408, 13004797, 16005904, 26009594, 52019188, 104038376, 208076752]

約数ペア:

[(1, 208076752), (2, 104038376), (4, 52019188), (8, 26009594), (13, 16005904), (16, 13004797), (19, 10951408), (26, 8002952), (37, 5623696), (38, 5475704), (52, 4001476), (74, 2811848), (76, 2737852), (104, 2000738), (148, 1405924), (152, 1368926), (208, 1000369), (247, 842416), (296, 702962), (304, 684463), (481, 432592), (494, 421208), (592, 351481), (703, 295984), (962, 216296), (988, 210604), (1406, 147992), (1423, 146224), (1924, 108148), (1976, 105302), (2812, 73996), (2846, 73112), (3848, 54074), (3952, 52651), (5624, 36998), (5692, 36556), (7696, 27037), (9139, 22768), (11248, 18499), (11384, 18278)]