404739374

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 685017648

約数和(自身を除く): 280278274

約数列:

[1, 2, 13, 26, 37, 74, 83, 137, 166, 274, 481, 962, 1079, 1369, 1781, 2158, 2738, 3071, 3562, 5069, 6142, 10138, 11371, 17797, 22742, 35594, 39923, 65897, 79846, 113627, 131794, 147823, 187553, 227254, 295646, 375106, 420727, 841454, 1477151, 2438189, 2954302, 4876378, 5469451, 10938902, 15566899, 31133798, 202369687, 404739374]

約数ペア:

[(1, 404739374), (2, 202369687), (13, 31133798), (26, 15566899), (37, 10938902), (74, 5469451), (83, 4876378), (137, 2954302), (166, 2438189), (274, 1477151), (481, 841454), (962, 420727), (1079, 375106), (1369, 295646), (1781, 227254), (2158, 187553), (2738, 147823), (3071, 131794), (3562, 113627), (5069, 79846), (6142, 65897), (10138, 39923), (11371, 35594), (17797, 22742)]