13068209

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 17473536

約数和(自身を除く): 4405327

約数列:

[1, 7, 11, 23, 47, 77, 157, 161, 253, 329, 517, 1081, 1099, 1727, 1771, 3611, 3619, 7379, 7567, 11891, 12089, 25277, 39721, 51653, 81169, 83237, 169717, 278047, 568183, 1188019, 1866887, 13068209]

約数ペア:

[(1, 13068209), (7, 1866887), (11, 1188019), (23, 568183), (47, 278047), (77, 169717), (157, 83237), (161, 81169), (253, 51653), (329, 39721), (517, 25277), (1081, 12089), (1099, 11891), (1727, 7567), (1771, 7379), (3611, 3619)]