25286690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17683}}^1$

素因数の和:17714

約数の個数: 32

約数和(自身を含む): 53476416

約数和(自身を除く): 28189726

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 17683, 35366, 88415, 176830, 194513, 229879, 389026, 459758, 972565, 1149395, 1945130, 2298790, 2528669, 5057338, 12643345, 25286690]

約数ペア:

[(1, 25286690), (2, 12643345), (5, 5057338), (10, 2528669), (11, 2298790), (13, 1945130), (22, 1149395), (26, 972565), (55, 459758), (65, 389026), (110, 229879), (130, 194513), (143, 176830), (286, 88415), (715, 35366), (1430, 17683)]