17218145

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 25062912

約数和(自身を除く): 7844767

約数列:

[1, 5, 7, 23, 35, 73, 115, 161, 293, 365, 511, 805, 1465, 1679, 2051, 2555, 6739, 8395, 10255, 11753, 21389, 33695, 47173, 58765, 106945, 149723, 235865, 491947, 748615, 2459735, 3443629, 17218145]

約数ペア:

[(1, 17218145), (5, 3443629), (7, 2459735), (23, 748615), (35, 491947), (73, 235865), (115, 149723), (161, 106945), (293, 58765), (365, 47173), (511, 33695), (805, 21389), (1465, 11753), (1679, 10255), (2051, 8395), (2555, 6739)]