260038415

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{13291}}^1$

素因数の和:13359

約数の個数: 32

約数和(自身を含む): 393017856

約数和(自身を除く): 132979441

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 1505, 2795, 3913, 13291, 19565, 66455, 93037, 172783, 465185, 571513, 863915, 1209481, 2857565, 4000591, 6047405, 7429669, 20002955, 37148345, 52007683, 260038415]

約数ペア:

[(1, 260038415), (5, 52007683), (7, 37148345), (13, 20002955), (35, 7429669), (43, 6047405), (65, 4000591), (91, 2857565), (215, 1209481), (301, 863915), (455, 571513), (559, 465185), (1505, 172783), (2795, 93037), (3913, 66455), (13291, 19565)]