12986870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{353}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 25335072

約数和(自身を除く): 12348202

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 283, 353, 566, 706, 1415, 1765, 2830, 3530, 3679, 4589, 7358, 9178, 18395, 22945, 36790, 45890, 99899, 199798, 499495, 998990, 1298687, 2597374, 6493435, 12986870]

約数ペア:

[(1, 12986870), (2, 6493435), (5, 2597374), (10, 1298687), (13, 998990), (26, 499495), (65, 199798), (130, 99899), (283, 45890), (353, 36790), (566, 22945), (706, 18395), (1415, 9178), (1765, 7358), (2830, 4589), (3530, 3679)]