221680912

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{374461}}^1$

素因数の和:374506

約数の個数: 20

約数和(自身を含む): 441116236

約数和(自身を除く): 219435324

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 374461, 748922, 1497844, 2995688, 5991376, 13855057, 27710114, 55420228, 110840456, 221680912]

約数ペア:

[(1, 221680912), (2, 110840456), (4, 55420228), (8, 27710114), (16, 13855057), (37, 5991376), (74, 2995688), (148, 1497844), (296, 748922), (592, 374461)]