138402896

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{201167}}^1$

素因数の和:201218

約数の個数: 20

約数和(自身を含む): 274393152

約数和(自身を除く): 135990256

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 201167, 402334, 804668, 1609336, 3218672, 8650181, 17300362, 34600724, 69201448, 138402896]

約数ペア:

[(1, 138402896), (2, 69201448), (4, 34600724), (8, 17300362), (16, 8650181), (43, 3218672), (86, 1609336), (172, 804668), (344, 402334), (688, 201167)]