689148972

素因数分解:

$2^2\times 3^5\times {\mathrm{31}}^1\times {\mathrm{22871}}^1$

素因数の和:22921

約数の個数: 72

約数和(自身を含む): 1864891392

約数和(自身を除く): 1175742420

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 243, 279, 324, 372, 486, 558, 837, 972, 1116, 1674, 2511, 3348, 5022, 7533, 10044, 15066, 22871, 30132, 45742, 68613, 91484, 137226, 205839, 274452, 411678, 617517, 709001, 823356, 1235034, 1418002, 1852551, 2127003, 2470068, 2836004, 3705102, 4254006, 5557653, 6381009, 7410204, 8508012, 11115306, 12762018, 19143027, 22230612, 25524036, 38286054, 57429081, 76572108, 114858162, 172287243, 229716324, 344574486, 689148972]

約数ペア:

[(1, 689148972), (2, 344574486), (3, 229716324), (4, 172287243), (6, 114858162), (9, 76572108), (12, 57429081), (18, 38286054), (27, 25524036), (31, 22230612), (36, 19143027), (54, 12762018), (62, 11115306), (81, 8508012), (93, 7410204), (108, 6381009), (124, 5557653), (162, 4254006), (186, 3705102), (243, 2836004), (279, 2470068), (324, 2127003), (372, 1852551), (486, 1418002), (558, 1235034), (837, 823356), (972, 709001), (1116, 617517), (1674, 411678), (2511, 274452), (3348, 205839), (5022, 137226), (7533, 91484), (10044, 68613), (15066, 45742), (22871, 30132)]