256716852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{2213}}^1$

素因数の和:3608

約数の個数: 48

約数和(自身を含む): 685383552

約数和(自身を除く): 428666700

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1381, 2213, 2762, 4143, 4426, 5524, 6639, 8286, 8852, 9667, 13278, 15491, 16572, 19334, 26556, 29001, 30982, 38668, 46473, 58002, 61964, 92946, 116004, 185892, 3056153, 6112306, 9168459, 12224612, 18336918, 21393071, 36673836, 42786142, 64179213, 85572284, 128358426, 256716852]

約数ペア:

[(1, 256716852), (2, 128358426), (3, 85572284), (4, 64179213), (6, 42786142), (7, 36673836), (12, 21393071), (14, 18336918), (21, 12224612), (28, 9168459), (42, 6112306), (84, 3056153), (1381, 185892), (2213, 116004), (2762, 92946), (4143, 61964), (4426, 58002), (5524, 46473), (6639, 38668), (8286, 30982), (8852, 29001), (9667, 26556), (13278, 19334), (15491, 16572)]