654656

素因数分解:

$2^6\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:258

約数の個数: 28

約数和(自身を含む): 1330452

約数和(自身を除く): 675796

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 193, 212, 386, 424, 772, 848, 1544, 1696, 3088, 3392, 6176, 10229, 12352, 20458, 40916, 81832, 163664, 327328, 654656]

約数ペア:

[(1, 654656), (2, 327328), (4, 163664), (8, 81832), (16, 40916), (32, 20458), (53, 12352), (64, 10229), (106, 6176), (193, 3392), (212, 3088), (386, 1696), (424, 1544), (772, 848)]