12971238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 32306688

約数和(自身を除く): 19335450

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 37, 42, 51, 74, 102, 111, 119, 222, 238, 259, 357, 491, 518, 629, 714, 777, 982, 1258, 1473, 1554, 1887, 2946, 3437, 3774, 4403, 6874, 8347, 8806, 10311, 13209, 16694, 18167, 20622, 25041, 26418, 36334, 50082, 54501, 58429, 109002, 116858, 127169, 175287, 254338, 308839, 350574, 381507, 617678, 763014, 926517, 1853034, 2161873, 4323746, 6485619, 12971238]

約数ペア:

[(1, 12971238), (2, 6485619), (3, 4323746), (6, 2161873), (7, 1853034), (14, 926517), (17, 763014), (21, 617678), (34, 381507), (37, 350574), (42, 308839), (51, 254338), (74, 175287), (102, 127169), (111, 116858), (119, 109002), (222, 58429), (238, 54501), (259, 50082), (357, 36334), (491, 26418), (518, 25041), (629, 20622), (714, 18167), (777, 16694), (982, 13209), (1258, 10311), (1473, 8806), (1554, 8347), (1887, 6874), (2946, 4403), (3437, 3774)]