51386636

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 106510656

約数和(自身を除く): 55124020

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 193, 257, 259, 386, 514, 518, 772, 1028, 1036, 1351, 1799, 2702, 3598, 5404, 7141, 7196, 9509, 14282, 19018, 28564, 38036, 49601, 49987, 66563, 99202, 99974, 133126, 198404, 199948, 266252, 347207, 694414, 1388828, 1835237, 3670474, 7340948, 12846659, 25693318, 51386636]

約数ペア:

[(1, 51386636), (2, 25693318), (4, 12846659), (7, 7340948), (14, 3670474), (28, 1835237), (37, 1388828), (74, 694414), (148, 347207), (193, 266252), (257, 199948), (259, 198404), (386, 133126), (514, 99974), (518, 99202), (772, 66563), (1028, 49987), (1036, 49601), (1351, 38036), (1799, 28564), (2702, 19018), (3598, 14282), (5404, 9509), (7141, 7196)]