128537731

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6709}}^1$

素因数の和:6763

約数の個数: 24

約数和(自身を含む): 165227040

約数和(自身を除く): 36689309

約数列:

[1, 7, 17, 23, 49, 119, 161, 391, 833, 1127, 2737, 6709, 19159, 46963, 114053, 154307, 328741, 798371, 1080149, 2623219, 5588597, 7561043, 18362533, 128537731]

約数ペア:

[(1, 128537731), (7, 18362533), (17, 7561043), (23, 5588597), (49, 2623219), (119, 1080149), (161, 798371), (391, 328741), (833, 154307), (1127, 114053), (2737, 46963), (6709, 19159)]