78704276

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 162624000

約数和(自身を除く): 83919724

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 131, 172, 262, 301, 499, 524, 602, 917, 998, 1204, 1834, 1996, 3493, 3668, 5633, 6986, 11266, 13972, 21457, 22532, 39431, 42914, 65369, 78862, 85828, 130738, 150199, 157724, 261476, 300398, 457583, 600796, 915166, 1830332, 2810867, 5621734, 11243468, 19676069, 39352138, 78704276]

約数ペア:

[(1, 78704276), (2, 39352138), (4, 19676069), (7, 11243468), (14, 5621734), (28, 2810867), (43, 1830332), (86, 915166), (131, 600796), (172, 457583), (262, 300398), (301, 261476), (499, 157724), (524, 150199), (602, 130738), (917, 85828), (998, 78862), (1204, 65369), (1834, 42914), (1996, 39431), (3493, 22532), (3668, 21457), (5633, 13972), (6986, 11266)]