1313486590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{4027}}^1$

素因数の和:4253

約数の個数: 48

約数和(自身を含む): 2574037008

約数和(自身を除く): 1260550418

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 193, 338, 386, 845, 965, 1690, 1930, 2509, 4027, 5018, 8054, 12545, 20135, 25090, 32617, 40270, 52351, 65234, 104702, 163085, 261755, 326170, 523510, 680563, 777211, 1361126, 1554422, 3402815, 3886055, 6805630, 7772110, 10103743, 20207486, 50518715, 101037430, 131348659, 262697318, 656743295, 1313486590]

約数ペア:

[(1, 1313486590), (2, 656743295), (5, 262697318), (10, 131348659), (13, 101037430), (26, 50518715), (65, 20207486), (130, 10103743), (169, 7772110), (193, 6805630), (338, 3886055), (386, 3402815), (845, 1554422), (965, 1361126), (1690, 777211), (1930, 680563), (2509, 523510), (4027, 326170), (5018, 261755), (8054, 163085), (12545, 104702), (20135, 65234), (25090, 52351), (32617, 40270)]