221488144

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{51461}}^1$

素因数の和:51738

約数の個数: 20

約数和(自身を含む): 430736940

約数和(自身を除く): 209248796

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 51461, 102922, 205844, 411688, 823376, 13843009, 27686018, 55372036, 110744072, 221488144]

約数ペア:

[(1, 221488144), (2, 110744072), (4, 55372036), (8, 27686018), (16, 13843009), (269, 823376), (538, 411688), (1076, 205844), (2152, 102922), (4304, 51461)]