408940052

素因数分解:

$2^2\times {\mathrm{349}}^1\times {\mathrm{457}}^1\times {\mathrm{641}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 720388200

約数和(自身を除く): 311448148

約数列:

[1, 2, 4, 349, 457, 641, 698, 914, 1282, 1396, 1828, 2564, 159493, 223709, 292937, 318986, 447418, 585874, 637972, 894836, 1171748, 102235013, 204470026, 408940052]

約数ペア:

[(1, 408940052), (2, 204470026), (4, 102235013), (349, 1171748), (457, 894836), (641, 637972), (698, 585874), (914, 447418), (1282, 318986), (1396, 292937), (1828, 223709), (2564, 159493)]