131554775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2089}}^1$

素因数の和:2339

約数の個数: 24

約数和(自身を含む): 178820400

約数和(自身を除く): 47265625

約数列:

[1, 5, 11, 25, 55, 229, 275, 1145, 2089, 2519, 5725, 10445, 12595, 22979, 52225, 62975, 114895, 478381, 574475, 2391905, 5262191, 11959525, 26310955, 131554775]

約数ペア:

[(1, 131554775), (5, 26310955), (11, 11959525), (25, 5262191), (55, 2391905), (229, 574475), (275, 478381), (1145, 114895), (2089, 62975), (2519, 52225), (5725, 22979), (10445, 12595)]