64369264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{211741}}^1$

素因数の和:211768

約数の個数: 20

約数和(自身を含む): 131280040

約数和(自身を除く): 66910776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 211741, 423482, 846964, 1693928, 3387856, 4023079, 8046158, 16092316, 32184632, 64369264]

約数ペア:

[(1, 64369264), (2, 32184632), (4, 16092316), (8, 8046158), (16, 4023079), (19, 3387856), (38, 1693928), (76, 846964), (152, 423482), (304, 211741)]