201397889

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{761}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 256434336

約数和(自身を除く): 55036447

約数列:

[1, 7, 11, 49, 77, 491, 539, 761, 3437, 5327, 5401, 8371, 24059, 37289, 37807, 58597, 264649, 373651, 410179, 2615557, 4110161, 18308899, 28771127, 201397889]

約数ペア:

[(1, 201397889), (7, 28771127), (11, 18308899), (49, 4110161), (77, 2615557), (491, 410179), (539, 373651), (761, 264649), (3437, 58597), (5327, 37807), (5401, 37289), (8371, 24059)]