1256115890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{157211}}^1$

素因数の和:157282

約数の個数: 32

約数和(自身を含む): 2444961024

約数和(自身を除く): 1188845134

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 3995, 7990, 157211, 314422, 786055, 1572110, 2672587, 5345174, 7388917, 13362935, 14777834, 26725870, 36944585, 73889170, 125611589, 251223178, 628057945, 1256115890]

約数ペア:

[(1, 1256115890), (2, 628057945), (5, 251223178), (10, 125611589), (17, 73889170), (34, 36944585), (47, 26725870), (85, 14777834), (94, 13362935), (170, 7388917), (235, 5345174), (470, 2672587), (799, 1572110), (1598, 786055), (3995, 314422), (7990, 157211)]