128515145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5347}}^1$

素因数の和:5405

約数の個数: 32

約数和(自身を含む): 184826880

約数和(自身を除く): 56311735

約数列:

[1, 5, 11, 19, 23, 55, 95, 115, 209, 253, 437, 1045, 1265, 2185, 4807, 5347, 24035, 26735, 58817, 101593, 122981, 294085, 507965, 614905, 1117523, 1352791, 2336639, 5587615, 6763955, 11683195, 25703029, 128515145]

約数ペア:

[(1, 128515145), (5, 25703029), (11, 11683195), (19, 6763955), (23, 5587615), (55, 2336639), (95, 1352791), (115, 1117523), (209, 614905), (253, 507965), (437, 294085), (1045, 122981), (1265, 101593), (2185, 58817), (4807, 26735), (5347, 24035)]