131217947

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 162263040

約数和(自身を除く): 31045093

約数列:

[1, 7, 31, 37, 59, 217, 259, 277, 413, 1147, 1829, 1939, 2183, 8029, 8587, 10249, 12803, 15281, 16343, 60109, 67673, 71743, 114401, 317719, 473711, 506633, 604691, 2224033, 3546431, 4232837, 18745421, 131217947]

約数ペア:

[(1, 131217947), (7, 18745421), (31, 4232837), (37, 3546431), (59, 2224033), (217, 604691), (259, 506633), (277, 473711), (413, 317719), (1147, 114401), (1829, 71743), (1939, 67673), (2183, 60109), (8029, 16343), (8587, 15281), (10249, 12803)]