128418367

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2677}}^1$

素因数の和:2791

約数の個数: 24

約数和(自身を含む): 164857680

約数和(自身を除く): 36439313

約数列:

[1, 7, 11, 49, 77, 89, 539, 623, 979, 2677, 4361, 6853, 18739, 29447, 47971, 131173, 206129, 238253, 1442903, 1667771, 2620783, 11674397, 18345481, 128418367]

約数ペア:

[(1, 128418367), (7, 18345481), (11, 11674397), (49, 2620783), (77, 1667771), (89, 1442903), (539, 238253), (623, 206129), (979, 131173), (2677, 47971), (4361, 29447), (6853, 18739)]