128038100144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{421177961}}^1$

素因数の和:421177988

約数の個数: 20

約数和(自身を含む): 261130336440

約数和(自身を除く): 133092236296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 421177961, 842355922, 1684711844, 3369423688, 6738847376, 8002381259, 16004762518, 32009525036, 64019050072, 128038100144]

約数ペア:

[(1, 128038100144), (2, 64019050072), (4, 32009525036), (8, 16004762518), (16, 8002381259), (19, 6738847376), (38, 3369423688), (76, 1684711844), (152, 842355922), (304, 421177961)]