251569207376

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{23786801}}^1$

素因数の和:23787470

約数の個数: 20

約数和(自身を含む): 488152750644

約数和(自身を除く): 236583543268

約数列:

[1, 2, 4, 8, 16, 661, 1322, 2644, 5288, 10576, 23786801, 47573602, 95147204, 190294408, 380588816, 15723075461, 31446150922, 62892301844, 125784603688, 251569207376]

約数ペア:

[(1, 251569207376), (2, 125784603688), (4, 62892301844), (8, 31446150922), (16, 15723075461), (661, 380588816), (1322, 190294408), (2644, 95147204), (5288, 47573602), (10576, 23786801)]