53978990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1499}}^1$

素因数の和:1796

約数の個数: 32

約数和(自身を含む): 105084000

約数和(自身を除く): 51105010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 277, 554, 1385, 1499, 2770, 2998, 3601, 7202, 7495, 14990, 18005, 19487, 36010, 38974, 97435, 194870, 415223, 830446, 2076115, 4152230, 5397899, 10795798, 26989495, 53978990]

約数ペア:

[(1, 53978990), (2, 26989495), (5, 10795798), (10, 5397899), (13, 4152230), (26, 2076115), (65, 830446), (130, 415223), (277, 194870), (554, 97435), (1385, 38974), (1499, 36010), (2770, 19487), (2998, 18005), (3601, 14990), (7202, 7495)]