161132521

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 193489920

約数和(自身を除く): 32357399

約数列:

[1, 11, 19, 37, 67, 209, 311, 407, 703, 737, 1273, 2479, 3421, 5909, 7733, 11507, 14003, 20837, 27269, 47101, 64999, 126577, 218633, 229207, 395903, 518111, 770969, 2404963, 4354933, 8480659, 14648411, 161132521]

約数ペア:

[(1, 161132521), (11, 14648411), (19, 8480659), (37, 4354933), (67, 2404963), (209, 770969), (311, 518111), (407, 395903), (703, 229207), (737, 218633), (1273, 126577), (2479, 64999), (3421, 47101), (5909, 27269), (7733, 20837), (11507, 14003)]