12990194

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 24045336

約数和(自身を除く): 11055142

約数列:

[1, 2, 7, 14, 41, 49, 53, 61, 82, 98, 106, 122, 287, 371, 427, 574, 742, 854, 2009, 2173, 2501, 2597, 2989, 3233, 4018, 4346, 5002, 5194, 5978, 6466, 15211, 17507, 22631, 30422, 35014, 45262, 106477, 122549, 132553, 158417, 212954, 245098, 265106, 316834, 927871, 1855742, 6495097, 12990194]

約数ペア:

[(1, 12990194), (2, 6495097), (7, 1855742), (14, 927871), (41, 316834), (49, 265106), (53, 245098), (61, 212954), (82, 158417), (98, 132553), (106, 122549), (122, 106477), (287, 45262), (371, 35014), (427, 30422), (574, 22631), (742, 17507), (854, 15211), (2009, 6466), (2173, 5978), (2501, 5194), (2597, 5002), (2989, 4346), (3233, 4018)]