172390405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{136277}}^1$

素因数の和:136316

約数の個数: 16

約数和(自身を含む): 235488384

約数和(自身を除く): 63097979

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 136277, 681385, 1499047, 3134371, 7495235, 15671855, 34478081, 172390405]

約数ペア:

[(1, 172390405), (5, 34478081), (11, 15671855), (23, 7495235), (55, 3134371), (115, 1499047), (253, 681385), (1265, 136277)]