71207656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{15923}}^1$

素因数の和:15985

約数の個数: 32

約数和(自身を含む): 147137760

約数和(自身を除く): 75930104

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 15923, 31846, 63692, 127384, 206999, 413998, 684689, 827996, 1369378, 1655992, 2738756, 5477512, 8900957, 17801914, 35603828, 71207656]

約数ペア:

[(1, 71207656), (2, 35603828), (4, 17801914), (8, 8900957), (13, 5477512), (26, 2738756), (43, 1655992), (52, 1369378), (86, 827996), (104, 684689), (172, 413998), (344, 206999), (559, 127384), (1118, 63692), (2236, 31846), (4472, 15923)]