81221104

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{298607}}^1$

素因数の和:298632

約数の個数: 20

約数和(自身を含む): 166623264

約数和(自身を除く): 85402160

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 298607, 597214, 1194428, 2388856, 4777712, 5076319, 10152638, 20305276, 40610552, 81221104]

約数ペア:

[(1, 81221104), (2, 40610552), (4, 20305276), (8, 10152638), (16, 5076319), (17, 4777712), (34, 2388856), (68, 1194428), (136, 597214), (272, 298607)]