161431315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 210254400

約数和(自身を除く): 48823085

約数列:

[1, 5, 19, 61, 89, 95, 305, 313, 445, 1159, 1565, 1691, 5429, 5795, 5947, 8455, 19093, 27145, 27857, 29735, 95465, 103151, 139285, 362767, 515755, 529283, 1699277, 1813835, 2646415, 8496385, 32286263, 161431315]

約数ペア:

[(1, 161431315), (5, 32286263), (19, 8496385), (61, 2646415), (89, 1813835), (95, 1699277), (305, 529283), (313, 515755), (445, 362767), (1159, 139285), (1565, 103151), (1691, 95465), (5429, 29735), (5795, 27857), (5947, 27145), (8455, 19093)]