221243572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{135899}}^1$

素因数の和:135951

約数の個数: 24

約数和(自身を含む): 433792800

約数和(自身を除く): 212549228

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 135899, 271798, 543596, 1494889, 2989778, 5028263, 5979556, 10056526, 20113052, 55310893, 110621786, 221243572]

約数ペア:

[(1, 221243572), (2, 110621786), (4, 55310893), (11, 20113052), (22, 10056526), (37, 5979556), (44, 5028263), (74, 2989778), (148, 1494889), (407, 543596), (814, 271798), (1628, 135899)]