221309506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{271879}}^1$

素因数の和:271929

約数の個数: 16

約数和(自身を含む): 371931840

約数和(自身を除く): 150622334

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 271879, 543758, 2990669, 5981338, 10059523, 20119046, 110654753, 221309506]

約数ペア:

[(1, 221309506), (2, 110654753), (11, 20119046), (22, 10059523), (37, 5981338), (74, 2990669), (407, 543758), (814, 271879)]