128719178

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{57107}}^1$

素因数の和:57146

約数の個数: 24

約数和(自身を含む): 234371232

約数和(自身を除く): 105652054

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 57107, 114214, 399749, 799498, 1313461, 2626922, 2798243, 5596486, 9194227, 18388454, 64359589, 128719178]

約数ペア:

[(1, 128719178), (2, 64359589), (7, 18388454), (14, 9194227), (23, 5596486), (46, 2798243), (49, 2626922), (98, 1313461), (161, 799498), (322, 399749), (1127, 114214), (2254, 57107)]