13000351

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 17239040

約数和(自身を除く): 4238689

約数列:

[1, 7, 13, 19, 73, 91, 103, 133, 247, 511, 721, 949, 1339, 1387, 1729, 1957, 6643, 7519, 9373, 9709, 13699, 18031, 25441, 52633, 97747, 126217, 142861, 178087, 684229, 1000027, 1857193, 13000351]

約数ペア:

[(1, 13000351), (7, 1857193), (13, 1000027), (19, 684229), (73, 178087), (91, 142861), (103, 126217), (133, 97747), (247, 52633), (511, 25441), (721, 18031), (949, 13699), (1339, 9709), (1387, 9373), (1729, 7519), (1957, 6643)]