618160660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{8461}}^1$

素因数の和:8764

約数の個数: 48

約数和(自身を含む): 1403134992

約数和(自身を除く): 784974332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 281, 562, 1124, 1405, 2810, 3653, 5620, 7306, 8461, 14612, 16922, 18265, 33844, 36530, 42305, 73060, 84610, 109993, 169220, 219986, 439972, 549965, 1099930, 2199860, 2377541, 4755082, 9510164, 11887705, 23775410, 30908033, 47550820, 61816066, 123632132, 154540165, 309080330, 618160660]

約数ペア:

[(1, 618160660), (2, 309080330), (4, 154540165), (5, 123632132), (10, 61816066), (13, 47550820), (20, 30908033), (26, 23775410), (52, 11887705), (65, 9510164), (130, 4755082), (260, 2377541), (281, 2199860), (562, 1099930), (1124, 549965), (1405, 439972), (2810, 219986), (3653, 169220), (5620, 109993), (7306, 84610), (8461, 73060), (14612, 42305), (16922, 36530), (18265, 33844)]