156939752

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{220421}}^1$

素因数の和:220516

約数の個数: 16

約数和(自身を含む): 297569700

約数和(自身を除く): 140629948

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 220421, 440842, 881684, 1763368, 19617469, 39234938, 78469876, 156939752]

約数ペア:

[(1, 156939752), (2, 78469876), (4, 39234938), (8, 19617469), (89, 1763368), (178, 881684), (356, 440842), (712, 220421)]