678697942

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{8681}}^1$

素因数の和:8824

約数の個数: 32

約数和(自身を含む): 1143523584

約数和(自身を除く): 464825642

約数列:

[1, 2, 13, 26, 31, 62, 97, 194, 403, 806, 1261, 2522, 3007, 6014, 8681, 17362, 39091, 78182, 112853, 225706, 269111, 538222, 842057, 1684114, 3498443, 6996886, 10946741, 21893482, 26103767, 52207534, 339348971, 678697942]

約数ペア:

[(1, 678697942), (2, 339348971), (13, 52207534), (26, 26103767), (31, 21893482), (62, 10946741), (97, 6996886), (194, 3498443), (403, 1684114), (806, 842057), (1261, 538222), (2522, 269111), (3007, 225706), (6014, 112853), (8681, 78182), (17362, 39091)]