128423516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1291}}^1\times {\mathrm{1913}}^1$

素因数の和:3221

約数の個数: 24

約数和(自身を含む): 242343024

約数和(自身を除く): 113919508

約数列:

[1, 2, 4, 13, 26, 52, 1291, 1913, 2582, 3826, 5164, 7652, 16783, 24869, 33566, 49738, 67132, 99476, 2469683, 4939366, 9878732, 32105879, 64211758, 128423516]

約数ペア:

[(1, 128423516), (2, 64211758), (4, 32105879), (13, 9878732), (26, 4939366), (52, 2469683), (1291, 99476), (1913, 67132), (2582, 49738), (3826, 33566), (5164, 24869), (7652, 16783)]