218793458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 382475520

約数和(自身を除く): 163682062

約数列:

[1, 2, 13, 26, 29, 58, 61, 67, 71, 122, 134, 142, 377, 754, 793, 871, 923, 1586, 1742, 1769, 1846, 1943, 2059, 3538, 3886, 4087, 4118, 4331, 4757, 8174, 8662, 9514, 22997, 25259, 26767, 45994, 50518, 53131, 53534, 56303, 61841, 106262, 112606, 118523, 123682, 125599, 137953, 237046, 251198, 275906, 290177, 580354, 1540799, 1632787, 1793389, 3081598, 3265574, 3586778, 3772301, 7544602, 8415133, 16830266, 109396729, 218793458]

約数ペア:

[(1, 218793458), (2, 109396729), (13, 16830266), (26, 8415133), (29, 7544602), (58, 3772301), (61, 3586778), (67, 3265574), (71, 3081598), (122, 1793389), (134, 1632787), (142, 1540799), (377, 580354), (754, 290177), (793, 275906), (871, 251198), (923, 237046), (1586, 137953), (1742, 125599), (1769, 123682), (1846, 118523), (1943, 112606), (2059, 106262), (3538, 61841), (3886, 56303), (4087, 53534), (4118, 53131), (4331, 50518), (4757, 45994), (8174, 26767), (8662, 25259), (9514, 22997)]