257648690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{46091}}^1$

素因数の和:46154

約数の個数: 32

約数和(自身を含む): 511068096

約数和(自身を除く): 253419406

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 46091, 92182, 230455, 460910, 599183, 1198366, 1981913, 2995915, 3963826, 5991830, 9909565, 19819130, 25764869, 51529738, 128824345, 257648690]

約数ペア:

[(1, 257648690), (2, 128824345), (5, 51529738), (10, 25764869), (13, 19819130), (26, 9909565), (43, 5991830), (65, 3963826), (86, 2995915), (130, 1981913), (215, 1198366), (430, 599183), (559, 460910), (1118, 230455), (2795, 92182), (5590, 46091)]