51721813

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 61937568

約数和(自身を除く): 10215755

約数列:

[1, 11, 13, 121, 131, 143, 251, 1441, 1573, 1703, 2761, 3263, 15851, 18733, 30371, 32881, 35893, 206063, 361691, 394823, 427453, 3978601, 4701983, 51721813]

約数ペア:

[(1, 51721813), (11, 4701983), (13, 3978601), (121, 427453), (131, 394823), (143, 361691), (251, 206063), (1441, 35893), (1573, 32881), (1703, 30371), (2761, 18733), (3263, 15851)]