31920284

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{65951}}^1$

素因数の和:65977

約数の個数: 18

約数和(自身を含む): 61401312

約数和(自身を除く): 29481028

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 65951, 131902, 263804, 725461, 1450922, 2901844, 7980071, 15960142, 31920284]

約数ペア:

[(1, 31920284), (2, 15960142), (4, 7980071), (11, 2901844), (22, 1450922), (44, 725461), (121, 263804), (242, 131902), (484, 65951)]